Merge "Deprecate legacy Drm APIs"

api/current.txt

drm/java/android/drm/DrmConvertedStatus.java

drm/java/android/drm/DrmErrorEvent.java

drm/java/android/drm/DrmEvent.java

drm/java/android/drm/DrmInfo.java

drm/java/android/drm/DrmInfoEvent.java

drm/java/android/drm/DrmInfoRequest.java

drm/java/android/drm/DrmInfoStatus.java

drm/java/android/drm/DrmManagerClient.java

drm/java/android/drm/DrmOutputStream.java

drm/java/android/drm/DrmRights.java

drm/java/android/drm/DrmStore.java

drm/java/android/drm/DrmSupportInfo.java

drm/java/android/drm/DrmUtils.java

drm/java/android/drm/ProcessedData.java