Updates: exported attribute of Main activity to true

This change wont impact the library as this change only affects the Example app. This change has to be made to make sure that the CI passes

Author: AjeshRPai

app/src/main/AndroidManifest.xml

@@ -17,6 +17,7 @@
 
         <activity
             android:name=".MainActivity"
+            android:exported="true"
             android:windowSoftInputMode="adjustResize|stateHidden"
             android:theme="@style/MainActivityTheme" >