Implemented new preference setting screen for face based auto-rotation

Test: locally with phone and make -j64 RunSettingsRoboTests
ROBOTEST_FILTER="com.android.settings.display.SmartAutoRotatePreferenceControllerTest"

Bug: 172857585
Change-Id: I8aaeb9d726ff71f64fd241c01fe2a1268fff927e
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 81a5ea8..8be4163 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -954,7 +954,7 @@
                 <category android:name="com.android.settings.SHORTCUT" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.DisplaySettings" />
+                android:value="@string/rotate_settings_class" />
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                 android:value="true" />
         </activity>