Add missing "action" key background definition

Change-Id: I11e7ad1ebcc2621c528a38fc82acf05011ca5d8b

java/res/drawable/btn_keyboard_key_gingerbread.xml

@@ -23,6 +23,13 @@
     <item android:state_single="true"
           android:drawable="@drawable/btn_keyboard_key_dark_normal" />
 
+    <!-- Action keys. -->
+
+    <item android:state_active="true" android:state_pressed="true"
+          android:drawable="@drawable/btn_keyboard_key_dark_pressed" />
+    <item android:state_active="true"
+          android:drawable="@drawable/btn_keyboard_key_dark_normal" />
+
     <!-- Toggle keys. Use checkable/checked state. -->
 
     <item android:state_checkable="true" android:state_checked="true" android:state_pressed="true"
@@ -34,7 +41,7 @@
     <item android:state_checkable="true"
           android:drawable="@drawable/btn_keyboard_key_dark_normal_off" />
 
-    <!-- Normal keys -->
+    <!-- Normal keys. -->
 
     <item android:state_pressed="true"
           android:drawable="@drawable/btn_keyboard_key_light_pressed" />

java/res/drawable/btn_keyboard_key_stone.xml

@@ -23,6 +23,13 @@
     <item android:state_single="true"
           android:drawable="@drawable/btn_keyboard_key_normal_stone" />
 
+    <!-- Action keys. -->
+
+    <item android:state_active="true" android:state_pressed="true"
+          android:drawable="@drawable/btn_keyboard_key_fulltrans_pressed" />
+    <item android:state_active="true"
+          android:drawable="@drawable/btn_keyboard_key_normal_stone" />
+
     <!-- Toggle keys. Use checkable/checked state. -->
 
     <item android:state_checkable="true" android:state_checked="true"
@@ -35,7 +42,7 @@
     <item android:state_checkable="true"
           android:drawable="@drawable/btn_keyboard_key_normal_off_stone" />
 
-    <!-- Normal keys -->
+    <!-- Normal keys. -->
 
     <item android:state_pressed="true"
           android:drawable="@drawable/btn_keyboard_key_fulltrans_pressed" />