Merge "Implement ConnectingState" am: 026b277911 am: 51bdc6991a am: d9197e9b5b

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1550524

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I12aa4fcd0b859f1b250b969aa7ba129e0abea71c