Merge "Add test for SequencedCollection.add* methods" into main am: 8a9039332e am: 212b3e5caf

Original change: https://android-review.googlesource.com/c/platform/libcore/+/2979493

Change-Id: I25ec1757220f603db1752ea5b1ef544af28eff55
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>