Merge "Adding comments to the to-be deprecated...

Merge "Adding comments to the to-be deprecated SubscriptionManager#switchToSubscription" into tm-dev am: 29571eb0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17377023



Change-Id: I3eca72fc6420ada27d407bc44ce4a67fbcaebd75
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>