Defer transition ready when resizing starting window. am: 7d7e6f3b am: e0101a49

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22371667



Change-Id: I3f8863e52e9d7bfe0eac143367195070afbfd429
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>