BUG: 129491066

Test: Create 10 virtualdisplays, verify the input works

Signed-off-by: Weilun Du <wdu@google.com>
Change-Id: I2af1aec9975ddc3cb83175a2320fa16c2fed9063
Merged-In: I2af1aec9975ddc3cb83175a2320fa16c2fed9063