Show Toast with location of trace when trace is disabled

- Rename Layer Trace development tile to Surface Flinger Trace

Bug: 64831661
Test: Manually toggle trace
Test: make RunSettingsRoboTests ROBOTEST_FILTER=LayerTraceTest && make RunSettingsRoboTests ROBOTEST_FILTER=WindowTraceTest
Change-Id: I438efca251688774f0d6f29ba93d02d116f1e574
4 files changed