Revert "Avoid drawable invalidation during draw()"

This reverts commit e5e59c6da424096da8f57137cdc57d8bd410b079.

Drawables expect to be able to call invalidateSelf() during
draw() to pump animation frames. We shouldn't break this.

Bug: 26533725
Change-Id: Ibe2871f2622faf836637225fc1e3e6f0ca6def47
1 file changed