Use the current version of the app in the android example

Author: Kadi Kraman

Example/android/settings.gradle

@@ -1,5 +1,5 @@
 rootProject.name = 'AppAuthExample'
 include ':react-native-app-auth'
-project(':react-native-app-auth').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-app-auth/android')
+project(':react-native-app-auth').projectDir = new File(rootProject.projectDir, '../../android')
 
 include ':app'

android/build.gradle

@@ -13,7 +13,7 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    buildToolsVersion '26.0.2'
 
     defaultConfig {
         minSdkVersion 16