Cherrypick I44f3b2eef8086d6e0b0db53d38f08487549060c6 from Gingerbread
This change also introduces the key background drawables which has no
fixed bottom padding. Instead of relying on bottom padding in
drawable, this change also specifies Keyboard.verticalGap with
physical unit. Other keyboard related length, distance and size are
also specified by physical unit.
Bug: 3066107
Change-Id: Ib38355ebfc2f8d5b1d26c4e90eba87196fbeddfa
If there is no android:codes specified, the first character of
keyLabel's code point will be used instead.
Also introduce readable codes as @integer/key_XXX resources
Bug: 2973749
Change-Id: If9021ca35f9a7b922817e2099186fce0cd993652
Just re-formating with eclipse editor. This is supplement for
I18bc682c68df6239e54dd71ed3797d55fd5a1552.
Bug: 2973749
Change-Id: I4b03fa6d41808ce99ce4944ae742255bffc660b9