Add summary for Settings->Gestures.

Add summary text for gesture settings.

Bug: 30034888
Change-Id: I15128b6e533b279ca5da98bf4f0e042dd93a0d02
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 6b79f19..e633741 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2933,6 +2933,8 @@
                        android:value="com.android.settings.category.device" />
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                        android:value="com.android.settings.gestures.GestureSettings" />
+            <meta-data android:name="com.android.settings.summary"
+                       android:resource="@string/gesture_preference_summary" />
         </activity>
 
         <activity android:name="BackupSettingsActivity"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 369210f..15aef3c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7652,6 +7652,9 @@
     <!-- Preference title for gesture settings [CHAR LIMIT=25]-->
     <string name="gesture_preference_title">Gestures</string>
 
+    <!-- Preference summary for gesture settings [CHAR LIMIT=NONE]-->
+    <string name="gesture_preference_summary">Quick gestures to control your phone</string>
+
     <!-- Title text for double tap power for camera [CHAR LIMIT=60]-->
     <string name="double_tap_power_for_camera_title">Jump to Camera</string>