This CL updates to the latetest Widevine Integration document. bug: 8698129 Merge of https://widevine-internal-review.googlesource.com/#/c/5330/ from the Widevine CDM repo. Change-Id: I3f0ce88915057285ce6de80582d75a0514b92f79
Having the integration docs in the tree helps with version management and distribution to partners. bug: 8698129 Change-Id: I4c1e4f5902457815eaf58e6bd5313951d2b773ca