Merge "Guard FallbackHome activity behind permission" into tm-qpr-dev

                  android:taskAffinity="com.android.settings.FallbackHome"

                  android:exported="true"

                  android:theme="@style/FallbackHome"

                  android:permission="android.permission.DEVICE_POWER"

                  android:configChanges="keyboardHidden">

            <intent-filter android:priority="-1000">

                <action android:name="android.intent.action.MAIN" />