camera: Restrict all activity recreation

        <!-- should not change the android:name, including moving to a subpackage - see http://android-developers.blogspot.co.uk/2011/06/things-that-cannot-change.html -->

        <activity

            android:name="net.sourceforge.opencamera.MainActivity"

            android:configChanges="orientation|screenSize|keyboardHidden"

            android:configChanges="orientation|screenLayout|screenSize|smallestScreenSize|keyboardHidden"

            android:launchMode="singleInstance"

            android:clearTaskOnLaunch="true"

            android:exported="true"

            android:name="TakePhoto"

            android:label="@string/take_photo"

            android:icon="@mipmap/ic_launcher"

            android:configChanges="orientation|screenSize|keyboardHidden"

            android:configChanges="orientation|screenLayout|screenSize|smallestScreenSize|keyboardHidden"

            android:taskAffinity=""

            android:excludeFromRecents="true"

            android:exported="false"