[automerge] Start a visible requested activity if still in initializing state...

[automerge] Start a visible requested activity if still in initializing state 2p: bf81060f 2p: cbbb9428

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17651824

Bug: 227658778
Change-Id: I4a6d695fe4d6d84dd171b13b6c815be4266f125a