chg: aesthetic changes to the Thread Network dialog (#174)

* chg: aesthetic changes to the Thread Network dialog

Change-Id: Idd97918d42e5b7f17c7027e90256b0bf8531a442

* chg: colors aligned with devsite

Change-Id: I8fade74e94cd982b0f666c5f7b3bc314e8b3fa5d

Author: rochaferraz

3p-ecosystem/src/main/res/layout/fragment_thread.xml

@@ -11,6 +11,8 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -->
+
+
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -53,7 +55,9 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginLeft="30dp"
                     android:layout_alignParentLeft="true"
+                    android:layout_below="@+id/doGPSPreferredCredsExistButton"
                     android:text="Get GPS\npreferred\ncredentials"
+                    android:backgroundTint="#00639B"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/clearGPSButton"
@@ -62,8 +66,9 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginLeft="30dp"
                     android:layout_alignParentLeft="true"
-                    android:layout_below="@+id/getGPSButton"
+                    android:layout_below="@+id/setGPSButton"
                     android:text="Clear GPS\npreferred\ncredentials"
+                    android:backgroundTint="#00639B"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/setGPSButton"
@@ -72,8 +77,9 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginLeft="30dp"
                     android:layout_alignParentLeft="true"
-                    android:layout_below="@+id/clearGPSButton"
-                    android:text="Set TBR\ncredentials\nin GPS"
+                    android:layout_below="@+id/getGPSButton"
+                    android:text="Set\ncredentials\nin GPS"
+                    android:backgroundTint="#00639B"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/doGPSPreferredCredsExistButton"
@@ -82,8 +88,8 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginLeft="30dp"
                     android:layout_alignParentLeft="true"
-                    android:layout_below="@+id/setGPSButton"
                     android:text="Do pref.\ncredentials\nexist?"
+                    android:backgroundTint="#00639B"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/setOTBRButton"
@@ -92,7 +98,9 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginRight="35dp"
                     android:layout_alignParentRight="true"
-                    android:text="Set OTBR\npending\ncredentials"
+                    android:text="Set RPi\nOTBR\ncredentials"
+                    android:layout_below="@+id/getOTBRButton"
+                    android:backgroundTint="#3E766D"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/getOTBRButton"
@@ -101,8 +109,8 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginRight="35dp"
                     android:layout_alignParentRight="true"
-                    android:layout_below="@+id/setOTBRButton"
-                    android:text="Get OTBR\nactive\ncredentials"
+                    android:text="Get RPi\nOTBR\ncredentials"
+                    android:backgroundTint="#3E766D"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/readQRCode"
@@ -111,8 +119,9 @@
                     android:layout_marginTop="10dp"
                     android:layout_marginRight="35dp"
                     android:layout_alignParentRight="true"
-                    android:layout_below="@+id/getOTBRButton"
+                    android:layout_below="@+id/setOTBRButton"
                     android:text="Read\ncredentials\nQR Code"
+                    android:backgroundTint="#FF8569"
                     app:icon="@drawable/ic_baseline_share_24" />
                 <Button
                     android:id="@+id/showQRCode"
@@ -123,6 +132,7 @@
                     android:layout_alignParentRight="true"
                     android:layout_below="@+id/readQRCode"
                     android:text="Show\ncredentials\nQR Code"
+                    android:backgroundTint="#FF8569"
                     app:icon="@drawable/ic_baseline_share_24" />
             </RelativeLayout>
             <TextView