Add ExtendedLongPressTimeoutRule to all AbstractLauncherUiTest

When devices run slow in pre/post-submit, it is possible for a drag to be processed at a long press before the first move event can be created and dispatched. Added a rule to artificially increase this long press timeout in tests.

Flag: N/A
Fixes: 319257820
Test: TAPL tests
Change-Id: I24e0f3baec15db7558351d0cb2bd93a4e49640e8