More updates to get tests running on GCE.

- Remove emulator-headless, use --no-window flag.
- Override the correct image flavor based on the test suite.
- Add the optional PRODUCT_DIR argument in qt-emu-dev.

Test: None
Bug: 142663567
Change-Id: I0ac76e765da4b7e2b2b7ec619a32e679eb9358ce
1 file changed
tree: 653756c0a896ef513cfd75a8d415df3308542f00
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg