Preserve intended width/height for Blast adapter layers

Some surfaces may be a different size from the requested width/height.
Pass back calculated width/height from WindowStateAnimator back to
ViewRootImpl

Bug: 147674215, 147689472
Test: build, boot, manual
Change-Id: Ib557a4769d79e6414b9bebab8cb006adfb551e4d
9 files changed