Stop using phony target in dependency

This would force us to regenerate the coverage file even if the
collection of tests hasn't changed.

Test: m continuous_instrumentation_tests_api_coverage
Test: api_coverage.html is nearly identical (has a timestamp)
Change-Id: Iaf7ed203d05c7a0310b27ce10a3733a44cab6d77
1 file changed
tree: bbdee61e94ef3dee45084462e5951433ebfad384
  1. build/
  2. docs/
  3. libraries/
  4. scripts/
  5. tests/
  6. utils/
  7. PREUPLOAD.cfg