Tracking merge of dalvik-dev to gingerbread

git cherry-pick --no-commit f2f3e4b2
git cherry-pick --no-commit b6a08f0cd36b12054ac73992a2737ea294387116
git cherry-pick --no-commit d05d74b2d6f717ee25ca14c913ea7610c030ecd1
git cherry-pick --no-commit 5479d77e320420ef0cd7250d1a6729839ef907ce

Change-Id: I6f339aa73823e053146719b3af7af91d5375df1c
3 files changed