klte-common: Allow kltedv through vendor build barrier

Change-Id: I4d5c398d587ba75449f934a0f0071b829f51ff6b
(cherry picked from commit 76097ad882be32497b102bfe7b0104c0f37ced4a)
klte-common: Add missing Widevine lib

Change-Id: I8a49826a9e54e888b1be90187eab91f756bd74ab
(cherry picked from commit 7f69a7c5282782f97299d240b01f0ddbba62246c)
klte-common: Remove liboemcrypto

* Force a fallback to Widevine L3 to allow DRM protected items to
  function correctly.

Change-Id: Ief181f0f4d4b8fc2a5a0c01c4f56b6abf20eeafd
(cherry picked from commit b86def0099a7b1e00a8895b77196439be03f8a2f)