Update clearkey plugin to drm HAL v1.4

Add support for getLogMessages, requiresSecureDecoder,
requiresSecureDecoderDefault and setLogSessionId.

getLogMessages is stubbed out for now.

Test: atest
  atest CtsMediaTestCases:android.media.cts.MediaDrmClearkeyTest#testGetLogSessionId

Bug: 182525516
Change-Id: I41a94da8c9111d7108b5dd963fc6040fcd031137
37 files changed