Fix force close at animation control, keyboard

After change of hint to android:hint getAttributeResourceValue needs "http://schemas.android.com/apk/res/android" instead of NULL to find the string.
Otherwise a null-pointer is returned and Settings FC occurs.

Change-Id: Id47e3917d6b06894985a2618b7403933959b5386
Merge remote-tracking branch 'upstream/android-4.4' into android-4.4