Trebuchet: Fix drawer vertical orientation bugs

Change-Id: I6c76830c944be85b62c043991c36ba5bd18f036e
JIRA: CYAN-901
Issue: https://jira.cyanogenmod.org/browse/CYAN-901
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge remote branch 'cm/cm-10.1' into cm-10.1