Add deeplinks demos to activities

Supported URLs are "batch-sample://unlock" and "batch-sample://notification-settings"

Author: abarisain

Sample_Project/sample/app/src/main/AndroidManifest.xml

@@ -38,6 +38,13 @@
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value="com.batch.android.sample.activity.MainActivity" />
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="batch-sample"
+                      android:host="notification-settings" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".activity.UnlockActivity"
@@ -46,6 +53,13 @@
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value="com.batch.android.sample.activity.MainActivity" />
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="batch-sample"
+                      android:host="unlock" />
+            </intent-filter>
         </activity>
 
         <!-- Batch's Required manifest items -->