Fix the animation glitch when NSSL adds and removes a HUN in the same frame.

Bug: 185680162
Fixes: 213876313
Test: visual inspection when legacy pipeline initiates a group alert transfer
Merged-In: I755fff6944da0699d9cb7e6b2456e4811f7888d5
Change-Id: I755fff6944da0699d9cb7e6b2456e4811f7888d5
(cherry picked from commit 357207971089bf3c91e27b6304c18e175f215cfb)
(cherry picked from commit f87c4e7bdcb5ad811df96fd999955b3041d49e39)
Merged-In:I755fff6944da0699d9cb7e6b2456e4811f7888d5
1 file changed