Prevent overlays on vCard import flows

Bug: 172252122
Test: manual with POC
Change-Id: I69c46f073f324005c3dd214447792fc20fe75a2b
Merged-In: I69c46f073f324005c3dd214447792fc20fe75a2b
(cherry picked from commit aa189a0daadf4d4cd8e00895c9bdbb8ac0ec9bb6)
(cherry picked from commit b423fdf941a10fc1498dcee0665e56fb1856bf4e)
4 files changed