Split flicker tests into completely independent folders, which can be...

Split flicker tests into completely independent folders, which can be transferred to the respective teams.

This also allows the tests to be better configured, so that app compat tests don't run on phones

Bug: 307885357
Fixes: 307359855
Test: atest FlickerTestsAppLaunch1 FlickerTestsAppLaunch2 FlickerTestsAppClose FlickerTestsIme FlickerTestsNotification FlickerTestsRotation FlickerTestsQuickswitch FlickerServiceTests
Change-Id: I2dfc90dd4c01614065ba4a1b39696eb7431c3dd5