end2end: Use Edids to identify displays [9/N]

Obtain the EDID information from the SurfaceFlinger frontend API for
each display, so we can map the DisplayId's to the test-local id's used
to identify them.

Flag: TEST_ONLY
Bug: 372735083
Test: atest surfaceflinger_end2end_tests
Change-Id: I6cb07e6e8ea4c3e1496ce0f93c5ddccada5689c1