Add back legacy layout for preference framework for compatibility.

Bug: 3184831

Copied holo layouts to *_holo.xml and restored the old layouts for
non-holo (pre-honeycomb) apps to use so that their layout assumptions
aren't messed up.

Change-Id: If4dcef16191a47a4b101da6bfb0c2df1757d1ae4
10 files changed