Continue the pausing process after automatically entering pip Or the activity remained in PAUSING state and prevents the activity to stop after screen off until stop timeout. Bug: 202345179 Test: atest PinnedStackTests Change-Id: Ibb8b3c48d483dcb96207ec2395a87b31d8eb107e Merged-In: Ibb8b3c48d483dcb96207ec2395a87b31d8eb107e (cherry picked from commit e84bd0d141b31d9504edf2d73591b2b8266f02e3)