Merge "cherrypick from jb-mr1.1-dev Change-Id: I9a7d106e73ca3553b8541def0a143911f4c44780 docs: SDK Platform image JB-MR1.1 and Support Library r12 Release Notes formerly Change-Id: I54a58649c226b61c3707d0a5385fa97ed029e32f" into jb-mr1.1-docs