Merge "new doc about shrinking code and resources (massive re-write of...
Merge "new doc about shrinking code and resources (massive re-write of proguard doc). bug: 27746083" into mnc-mr-docs
am: 01d3063f
* commit '01d3063f':
new doc about shrinking code and resources (massive re-write of proguard doc). bug: 27746083
Change-Id: I245ed0c501381ca5b71e8b5f8ed387b826533cb7