DO NOT MERGE - Doc update: deliv receipt, rate exceeded, bug fixes.

Cherry-pick from: Change-Id: I17d9604da9a894501c7701174e4f7c61dfa9e80e

Fix for:
b/17936796

Change-Id: I17d9604da9a894501c7701174e4f7c61dfa9e80e
9 files changed