Add new author & description metadata to live wallpapers.

Part of http://b/2235307 .

Change-Id: Ib3fa094af6afdfddb82cefc6147df6e254f0b361
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 166d33b..caeed2e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -28,15 +28,35 @@
     
     <!-- Wallpaper showing grass and the sky -->
     <string name="wallpaper_grass">Grass</string>
+    <string name="wallpaper_grass_author">Google</string>
+    <string name="wallpaper_grass_desc">
+        Blades of grass wave gently in front of a day or night sky.
+    </string>
     
     <!-- Wallpaper showing a galaxy -->
     <string name="wallpaper_galaxy">Galaxy</string>
+    <string name="wallpaper_galaxy_author">Google</string>
+    <string name="wallpaper_galaxy_desc">
+        A galaxy made of slowly swirling stars.
+    </string>
 
     <!-- Wallpaper showing leaves floating on water -->
     <string name="wallpaper_fall">Water</string>    
+    <string name="wallpaper_fall_author">Google</string>
+    <string name="wallpaper_fall_desc">
+        Autumn leaves tumble&lt;br&gt;
+        To the rippling pond below:&lt;br&gt;
+        Liquid background Zen.
+    </string>
     
     <!-- Wallpaper showing a clock -->
     <string name="wallpaper_clock">Polar clock</string>
+    <string name="wallpaper_clock_author">Google</string>
+    <string name="wallpaper_clock_desc">
+        Presents the date and time as a series of concentric clockwise
+        arcs: month, day, hour, minute, and second.
+    </string>
+    
     <!-- Polar clock: title of settings activity -->
     <string name="clock_settings">Polar clock settings</string>
     <!-- Polar clock: label for "show seconds" pref -->
diff --git a/res/xml/fall.xml b/res/xml/fall.xml
index 9c1b0d3..767fe70 100644
--- a/res/xml/fall.xml
+++ b/res/xml/fall.xml
@@ -21,4 +21,6 @@
 <!-- about the fall wallpaper. -->
 
 <wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
+    android:wallpaperAuthor="@string/wallpaper_fall_author"
+    android:wallpaperDescription="@string/wallpaper_fall_desc"
     android:thumbnail="@drawable/water_thumb" />
diff --git a/res/xml/galaxy.xml b/res/xml/galaxy.xml
index b88eec5..dafa6d3 100644
--- a/res/xml/galaxy.xml
+++ b/res/xml/galaxy.xml
@@ -21,4 +21,6 @@
 <!-- about the galaxy wallpaper. -->
 
 <wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
-    android:thumbnail="@drawable/galaxy_thumb" />
\ No newline at end of file
+    android:wallpaperAuthor="@string/wallpaper_galaxy_author"
+    android:wallpaperDescription="@string/wallpaper_galaxy_desc"
+    android:thumbnail="@drawable/galaxy_thumb" />
diff --git a/res/xml/grass.xml b/res/xml/grass.xml
index 9c88e67..c738018 100644
--- a/res/xml/grass.xml
+++ b/res/xml/grass.xml
@@ -21,4 +21,6 @@
 <!-- about the grass wallpaper. -->
 
 <wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
+    android:wallpaperAuthor="@string/wallpaper_grass_author"
+    android:wallpaperDescription="@string/wallpaper_grass_desc"
     android:thumbnail="@drawable/grass_thumb" />
diff --git a/res/xml/polar_clock.xml b/res/xml/polar_clock.xml
index 4066968..77ecc20 100644
--- a/res/xml/polar_clock.xml
+++ b/res/xml/polar_clock.xml
@@ -21,5 +21,7 @@
 <!-- about the polar clock. -->
 
 <wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
+    android:wallpaperAuthor="@string/wallpaper_clock_author"
+    android:wallpaperDescription="@string/wallpaper_clock_desc"
     android:thumbnail="@drawable/polarclock_thumb"
     android:settingsActivity="com.android.wallpaper.polarclock.PolarClockSettings" />