Add revert to left click to autoclick settings page

Screenshot: go/screenshot-4sdpfqk5rf3u23l
UI mock: go/screenshot-vcu7ui2ar9bjrm6

Bug: 388845719
Test: ToggleAutoclickRevertToLeftClickControllerTest
Flag: com.android.server.accessibility.enable_autoclick_indicator
Change-Id: I813613f3d920ce6795e6750c440449e78d9b9c37
4 files changed