Prevent double-click on PIN bouncer with talkback

The performClick action was sent twice when used with
talkbalk on all PIN bouncer views, which could result
in unexpected error messages shown to the user.

Fixes: 346932439
Test: manual - use talkback on all PIN/SIMPIN bouncers
Flag: com.android.systemui.sim_pin_talkback_fix_for_double_submit
Change-Id: I2657eb10eac167089f87abe19d9dddb1e791392b