Merge "Remove mInstallLock from dexopt." into tm-dev am: f5393cec am: b295d082

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17570178



Change-Id: Ibea502627334f2d8fb1d31827cf67665577cc6b0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>