Only add transition trace monitor if shell transitions are enabled

This monitor will not work if shell transitions are not enabled

Test: atest FlickerLibTest with shell transitions disabled
Change-Id: I4cec52713d579d0951f7fc84bb0136f54b0c8f26
1 file changed
tree: 12e2a868b8f5bc80196dda864ae346b297ed8f16
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg