Tracking merge of dalvik-dev to master

git cherry-pick --no-commit  5fac8d8f7096d8a950acad1ad0a8b963cef72e03

git cherry-pick --no-commit  1a8210710b46a0796ff2f8e76b6beb3a54f89019

git cherry-pick --no-commit  4fe2ac9f7284b838393aec8f0f48caef2510fd46

git cherry-pick --no-commit  7beb710a8f976fc4cb1e8be780644386870c4975

Change-Id: Ib10348e5509c906c6b95fa4accd6a18900bfe748