Merge "OverlayManager: use typed collection type in AIDL" am: 497e28ecf3 am: c1a5b99f86

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1801774

Change-Id: I73df9c8a2133c93b92e20d9357013f86023b93f6