OMS: Only allow trusted overlays to be registered.

Bug: 69383160
Test: cts-tradefed run cts -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.OverlayHostTest
Change-Id: I930c11716317cff1ec485a3943d1f22f07a423df
Merged-In: I930c11716317cff1ec485a3943d1f22f07a423df
(cherry picked from commit 80609e584c9c6155ed3199109735ec8d16f6115c)
4 files changed
  翻译: