Kokoro CI: add build configuration for ui-clang-debug. am: 134e0525dd am: f0b9937966 am: 9c479ce67a
Kokoro CI: add build configuration for ui-clang-debug. am: 134e0525dd am: f0b9937966
am: 9c479ce67a

Change-Id: I05debacb1900d5cff169714389a41ac21834c1d0

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto