allowBackupのフラグをfalseに設定

ABVJE_Launcher_Android/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="jp.agentec.abookplus"
     android:versionCode="1"
     android:versionName="@string/version_name"
-    android:installLocation="internalOnly" >
+    android:installLocation="internalOnly">
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
@@ -41,6 +42,8 @@
         android:icon="@drawable/app_icon"
         android:label="@string/app_name"
         android:theme="@style/ABook"
+        android:allowBackup="false"
+        tools:replace="android:allowBackup"
         android:largeHeap="true" >
         <service android:name="jp.agentec.abook.abv.cl.push.ABVFcmListenerService">
             <intent-filter>