[automerge] [Fix vulnerability] setSecurityLevel in clearkey 2p: 9bfc2fbcc4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/19008482

Bug: 235601882
Change-Id: Ia99c6b70e4d392f5e069cc2873497af33b297eb0
Merged-In: I2e2084e85fe45d7d7f958c59b0063a477c7d24bf