Defer transition ready when resizing starting window. am: 7d7e6f3b am: e0101a49 am: 33a31302 am: 72bfff20

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



Change-Id: Iad845ca11d96cb8bbb5d68e9d22218008d948f35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>