Fix up app widget background drawables.

There was a mixup when converting Apollo to API 14+ only: The drawables
targeted for API level < 11 were incorrectly used. Fix that by restoring
the drawables targeted for API level >= 11.

Change-Id: I8d2dee470ec949c905b8a9e4b5f64317cddc911b
JIRA:CYAN-779
Merge "Fix up app widget background drawables." into cm-10.1