Flicker in Fingerprint Enrollment

Fixes: 259707991
Test: m RunSettingsRoboTests -j30 ROBOTEST_FILTER=MessageDisplayControllerTest
Change-Id: I2581dfcc7054c5df1368d5d912dbbc4c8ea01f23
Merged-in: I2581dfcc7054c5df1368d5d912dbbc4c8ea01f23
9 files changed