Merge from http://go/wvgerrit/69587
In getSecureStop, the life of cdmStop will expire when
leaving the if (isCmdResponseTypeSuccess()) scope.
Since setToExternal() which is called by toHidlVec()
only performs a pointer assignment, the content of cdmStop
is lost and secureStop.opaqueData will have all zeros.
Test: netflix streaming and offline playback
Test: Play Movies & TV
Test: GTS test
-m GtsMediaTestCases --test com.google.android.media.gts.MediaDrmTest#testWidevineApi28
Test: GTS test
-m GtsMediaTestCases
bug: 120624463
Change-Id: I787e2b931561f07ca7346cb5a8968b868c08cee8