More robust tests.

https://android-build.corp.google.com/test_investigate/?invocationId=I89000010151050377&testResultId=TR75528603005220067

Bug: 290699552
Test: atest PackageManagerTests

Merged-In: Id68a28e9dc12f71286e29822d4b88be88ab03653
Change-Id: Id68a28e9dc12f71286e29822d4b88be88ab03653
(cherry picked from commit 18e9fa7232de34b0f106b895818f4b4991a0da68)
1 file changed