[automerger skipped] Use public android.system.Int64Ref instead of Int32Ref...

[automerger skipped] Use public android.system.Int64Ref instead of Int32Ref which is hidden (CorePlatformApi) type of am: 3f22cb11 am: 612b33fa am: be67bbad -s ours am: d26bc555 -s ours

am skip reason: Change-Id I06aa9df929abb94f1d9354f57087a973be597a43 with SHA-1 af3da459 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1582887

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iabaaaf85808297a10bc0fa42ef633a0def344c0e