Fix the remaining black blip in secure camera transition.

                android:taskAffinity="com.android.camera.SecureCameraActivity"

                android:excludeFromRecents="true"

                android:label="@string/camera_label"

                android:theme="@style/Theme.Camera"

                android:theme="@style/Theme.CameraSecure"

                android:icon="@mipmap/ic_launcher_camera"

                android:configChanges="orientation|screenSize|keyboardHidden"

                android:clearTaskOnLaunch="true"