Ignores SdCardEjectionTests

These tests were built on a number of hacks that apprear to no longer be
workable on emulators and some devices. Ignoring for the time being
until we can get a better solution in place for them.

Test: atest SdCardEjectionTests
Bug: 275403538
Fixes: 274719632
Change-Id: I7657c419dcab566ed2ccc5407a6a116e83a58f9e