Update the variable type to DrmStatus in libmedia_jni

Bug: 260065906

Test: gts-tradefed run gts --abi arm64-v8a -m GtsMediaTestCases
Test: atest CtsMediaDrmFrameworkTestCases

Change-Id: I94bd375d9a4b6e09a8e3b9d7a900398f8e263000
1 file changed