tree 45f60d38237f07c1b24d07b9a2cfde5ed50948a5
parent 331168f15af7409e2c3b07bee6ce998535b044f2
author Riddle Hsu <riddlehsu@google.com> 1607964505 +0800
committer Riddle Hsu <riddlehsu@google.com> 1608024156 +0800

Move requestPictureInPictureMode to internal

There is no usage of ActivityTaskManager#requestPictureInPictureMode.
Only keep the server side method for the reference from the
implementation of other type device.

Bug: 174041144
Bug: 174040691
Test: ActivityTaskManagerServiceTests

Change-Id: Iac27a542f1ef693850336e31627bdb6629ee3d4e