Merge "installd: Refactor RunDex2Oat to reduce variable life span" am: 6d4f6b9bb3 am: 39b6ba3736 am: cca208b954

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1365300

Change-Id: Ied20862cc3b7c7b5237adc9a37696131fce0823f