Fixed failing scrim test

TH passed when the previous cl was submitted even though
it shouldn't have.

Test: atest SystemUITests
Fixes: 197700992
Change-Id: Ib9216246b9eb05b664d4f88f8cf6d11cc58e32d6
Merged-In: Ib9216246b9eb05b664d4f88f8cf6d11cc58e32d6
1 file changed