Merge "Don't send split info callback before activity is created" into tm-dev...

Merge "Don't send split info callback before activity is created" into tm-dev am: 7bc9ba3b am: 20720073

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17818103



Change-Id: I985bc757395dd1e2ce282535d02bec7ae0f60866
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>