Remove display tests from presubmit.

They seem to be leaving the system in a bad state, eventually resulting
in an OOM / allocation failure due to fragmentation.

Bug: 180636644
Test: atest services/tests/servicestests/src/com/android/server/display/
Change-Id: Iead04a9a6a8569648f1c63a66446e3c60fd38739
4 files changed