Fix wait condition for SetRequestedOrientationWhilePinnedTest

The setup waited for a ROTATION_0, but this test starts at ROTATION_90

Bug: 219773854
Bug: 220977327
Test: atest WMShellFlickerTests:SetRequestedOrientationWhilePinnedTest
Change-Id: Ib2bde1f66f248adbe69acf5c344322e32b364eb2
1 file changed