Import VisibleForTesting.Visibility.PACKAGE

This is for fixing the broken build.

Fix: 342955819
Flag: NA
Test: presubmit
Merged-In: Ic8ddfffb8550cb9875e329d7a9e8b39711a512bd
Change-Id: I25238a2a23ab263e595d4ef9ec1f03c4bdf9b1f2
1 file changed