Add tools:openDrawer to open a DrawerLayout. [DO NOT MERGE]

Store a list of drawer layouts with tools:openDrawer encountered and
call openDrawer on them during the post-inflation processing.

Change-Id: Idee299a9af1bb106509a03bb2e8424c372b93dc5
(cherry picked from commit ccbc11770397888cf7780925bb4c7cf1d2f2f80e)
6 files changed