1. Remove prerelease tag. 2. Add TARGET_BUILD_WIDEVINE_USE_PREBUILT to control building from source. 3. Unify config namespace to "widevine". Bug: 251299786 Bug: 277764729 Change-Id: I2f19bcf8efd280a1a3aa86f595599d79e20b4ff4
1. Remove prerelease tag. 2. Add TARGET_BUILD_WIDEVINE_USE_PREBUILT to control building from source. 3. Unify config namespace to "widevine". Bug: 251299786 Bug: 277764729 Change-Id: I2f19bcf8efd280a1a3aa86f595599d79e20b4ff4