HDMI: Ignore running HDMI Control CTS on emulator

There are automated CTS runs that use cuttlefish as their target. Since
HDMI Control hostside CTS require a special physical set-up, we shall ignore tests on emulators.

Bug: 305135182
Bug: 308116165
Test: run cts -m CtsHdmiCecHostTestCases
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:abd099dd9953001f4c551ada27aedde9a5c8a1cd)
Merged-In: If5241af88a738d57744047b62a9fa8a6af4129dd
Change-Id: If5241af88a738d57744047b62a9fa8a6af4129dd