Fix the conversion from in_args.keyId to Cdm format
which causes nullptr dereference signal 11 faults.
Test: atest
atest-dev GtsMediaTestCases:com.google.android.media.gts.WidevineGenericOpsTests
Bug: 214410088
Change-Id: If84863e2501d4ccae7b8b38dceb707bb4bfa12fb
The interface is defined in
hardware/interfaces/drm/aidl(http://go/ag/15329852).
Test: build
m android.hardware.drm-service.widevine -j128
Test: build_and_run_all_unit_tests.sh
for hidl tests
Test: atest VtsAidlHalDrmTargetTest
Bug: 200055138
Bug: 170964303
Change-Id: If2f2a129914436ba5cef1c46f6cb9415e12c3d1c