Merge pull request #42 from mndewitt/master

allowBackup=false in AndroidManifest

android/src/main/AndroidManifest.xml

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.dscj.autoheightwebview">
 
-    <application android:allowBackup="true"
+    <application android:allowBackup="false"
                  android:label="@string/app_name"
                  android:supportsRtl="true"
     >

demo/android/app/src/main/AndroidManifest.xml

 
     <application
       android:name=".MainApplication"
-      android:allowBackup="true"
+      android:allowBackup="false"
       android:label="@string/app_name"
       android:icon="@mipmap/ic_launcher"
       android:theme="@style/AppTheme">