BackupRestoreConfirmation acitivity does not show 'allow' button, because
'getPasswordType' func check "Manifest.permission.STORAGE_INTERNAL",
so add missing STORAGE_INTERNAL permission.
Change-Id: Ica631b7edd2529e52d6661cef6ee6e468f1f38ed
<uses-permission android:name="android.permission.BACKUP" />
<uses-permission android:name="android.permission.CRYPT_KEEPER" />
+ <uses-permission android:name="android.permission.STORAGE_INTERNAL"/>
<application android:allowClearUserData="false"
android:allowBackup="false"