Tentatively revert inconsistent assets

Change-Id: I90f0ffed57f0efa9f01adb969fd499e2dcd2a0dc

Tentatively revert inconsistent assets
c2dda795 · Satoshi Kataoka · a4913994 · c2dda795 · a4913994 · c2dda795
Commit c2dda795 authored 11 years ago by Satoshi Kataoka
--- a/java/res/drawable-hdpi/sym_keyboard_smiley_holo_dark.png
+++ b/java/res/drawable-hdpi/sym_keyboard_smiley_holo_dark.png
--- a/java/res/drawable-mdpi/sym_keyboard_smiley_holo_dark.png
+++ b/java/res/drawable-mdpi/sym_keyboard_smiley_holo_dark.png
--- a/java/res/drawable-xhdpi/sym_keyboard_smiley_holo_dark.png
+++ b/java/res/drawable-xhdpi/sym_keyboard_smiley_holo_dark.png
--- a/java/res/drawable-xxhdpi/sym_keyboard_smiley_holo_dark.png
+++ b/java/res/drawable-xxhdpi/sym_keyboard_smiley_holo_dark.png
--- a/java/res/layout/emoji_keyboard_tab_icon.xml
+++ b/java/res/layout/emoji_keyboard_tab_icon.xml
@@ -23,4 +23,5 @@
    android:layout_weight="1.0"
    android:layout_height="wrap_content"
    android:gravity="center"
+    android:scaleType="center"
 />