DO NOT MERGE: Hide overlays over uninstall confirm dialog Test: cts-tradefed run cts-dev -m CtsPackageUninstallTestCases Fixes: 171221302 Merged-In: I38b6d85871064d76f2911e20acc74b4ab76406b3 Change-Id: I38b6d85871064d76f2911e20acc74b4ab76406b3 (cherry picked from commit d0958088bd56fc01b8fea5078ee7aba8f45a41f6)