Disable TraceurUiTests in presubmit am: e793a3760a

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Traceur/+/3499705

Change-Id: I634cbcbd2ded4f55c8fb7d091d7a1d7b2bfe64f0
Signed-off-by: Automerger Merge Worker <[email protected]>