Handle enter PIP during a display rotation transition

When entering PIP while there is an ongoing collecting transition, the
PipTransition won't set the PIP window to the correct state.

Bug: 210965919
Test: atest WMShellFlickerTests:SetRequestedOrientationWhilePinnedTest
Change-Id: I3a68dc16886f239434e2b5ff220f83a6079140ee
2 files changed