Wait for TIS cleanup after unbind before binding again

Fixes: 375315062
Test: Switch users 10 times, no crash (also check logs)
Flag: EXEMPT bug fix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:21172dbf21a8fc2754a4e6fb7a951e1fc32a58a4)
Merged-In: I7b3ac7114d519be9f46d0c38758bdcc7239d033a
Change-Id: I7b3ac7114d519be9f46d0c38758bdcc7239d033a