Update Keyboard background drawable

Bug: 4948171
Change-Id: I0f408ff67c7f2eef3830a43d2919b943dab74235
diff --git a/java/res/drawable-hdpi/keyboard_background_holo.9.png b/java/res/drawable-hdpi/keyboard_background_holo.9.png
index 39746ff..9f700c2 100644
--- a/java/res/drawable-hdpi/keyboard_background_holo.9.png
+++ b/java/res/drawable-hdpi/keyboard_background_holo.9.png
Binary files differ
diff --git a/java/res/drawable-mdpi/keyboard_background_holo.9.png b/java/res/drawable-mdpi/keyboard_background_holo.9.png
index f1d55c6..4fe79b9 100644
--- a/java/res/drawable-mdpi/keyboard_background_holo.9.png
+++ b/java/res/drawable-mdpi/keyboard_background_holo.9.png
Binary files differ
diff --git a/java/res/drawable-xhdpi/keyboard_background_holo.9.png b/java/res/drawable-xhdpi/keyboard_background_holo.9.png
index 58d1514..7b79f60 100644
--- a/java/res/drawable-xhdpi/keyboard_background_holo.9.png
+++ b/java/res/drawable-xhdpi/keyboard_background_holo.9.png
Binary files differ