Add Android OS information to the user-agent string for Widevine. am: 24b000d30a Original change: https://android-review.googlesource.com/c/platform/packages/modules/RemoteKeyProvisioning/+/3313081 Change-Id: I5b86ea51ea07462143b65f7bdd325e17aa4b6b55 Signed-off-by: Automerger Merge Worker <[email protected]>