[automerger skipped] Fix the animation glitch when NSSL adds and removes a HUN...

[automerger skipped] Fix the animation glitch when NSSL adds and removes a HUN in the same frame. am: 5d54f3c7 -s ours am: b9b0d899 -s ours

am skip reason: Merged-In I755fff6944da0699d9cb7e6b2456e4811f7888d5 with SHA-1 878e9322 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17061641

Change-Id: I2c7d2ba0633a86098b6d4ff464930941c39d60ee