Enforce the PI mutability flag requirement for test apps

We relaxed the enforcement for apps under instrumentation to give us some buffer time to help transition all the test apps. This change enforces the mutability flag requirement even for apps under instrumentation.

Bug: 178092897
Test: TH
Change-Id: Idb7ac5ea5bb84f52f7da058f6a43e3397e6f4601
1 file changed