Set Android 10 wallpaper as default

Also add a7_bw variant to the wallpaper picker.

Issue: FP2A10-186
Change-Id: I240179179a7f9a28845196e3a8db3a48ee24d858
diff --git a/overlay/frameworks/base/core/res/res/drawable-nodpi/default_wallpaper.png b/overlay/frameworks/base/core/res/res/drawable-nodpi/default_wallpaper.png
index 08fc4e1..81f788c 120000
--- a/overlay/frameworks/base/core/res/res/drawable-nodpi/default_wallpaper.png
+++ b/overlay/frameworks/base/core/res/res/drawable-nodpi/default_wallpaper.png
@@ -1 +1 @@
-../../../../../../../../media/wallpapers/a7_bw.png
\ No newline at end of file
+../../../../../../../../media/wallpapers/a10_blue.png
\ No newline at end of file
diff --git a/overlay/packages/apps/WallpaperPicker/res/values-nodpi/wallpapers.xml b/overlay/packages/apps/WallpaperPicker/res/values-nodpi/wallpapers.xml
index da03f99..32518d1 100644
--- a/overlay/packages/apps/WallpaperPicker/res/values-nodpi/wallpapers.xml
+++ b/overlay/packages/apps/WallpaperPicker/res/values-nodpi/wallpapers.xml
@@ -17,7 +17,9 @@
 
 <resources>
     <string-array name="wallpapers" translatable="false">
+        <item>a10_blue</item>
         <item>a7_blue</item>
+        <item>a7_bw</item>
         <item>a7_orange</item>
         <item>a</item>
         <item>b</item>