Move CoordinatorLayout to use a pool for temp Rects

Removes the hacky mTmpRect[*] variables which are
easy to mess up and re-use with interleaving
code-paths.

Test: all pass
BUG: 33158318

Change-Id: I4750c5cdd3f054a60ca9a228fcfe2d7bfa9b4e41
1 file changed