Refactor CollectionVector::SortByMapOrder am: 4000302c30 am: c74c1163db am: 745d7c2f28 am: b502065f25 am: de77ade1d7

Original change: https://android-review.googlesource.com/c/platform/art/+/2148050

Change-Id: I856dd3c5ce400ac9eafa5c3fdccd142e2df16332
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>