Fix layout recreation check

Change I7d6b088a9235362e03cb6694392df71bbf5a323a added a relayout
for programmatic text direction changes, but this is breaking some
fixed layouts. Make sure layout params exist before trying to
act on them

Change-Id: Ibfe3daa71490d109c9a4bdc4c90cbf9517e53260
Add new drawables for download pause/resume

Change-Id: I9fb3b725fcac5f8fbc2f4316aca9188c5fda0814

Conflicts:
	core/res/res/values/symbols.xml