Bug 1008824 - Fix intermittent failure of test_inter_app_comm.py
Bug 979785 - [GAIA][BUILD SYSTEM] Overwrite common-setting.json by GAIA_DEVICE_TYPE in build/settings.js
Merge pull request #18974 from mpizza/bug_979785_overwrite_settings_by_device_type

Bug 979785 - [GAIA][BUILD SYSTEM] Overwrite common-setting.json by GAIA_DEVICE_TYPE in build/settings.js. r=yurenju.
Merge pull request #19138 from askeing/1008824

Bug 1008824 - Fix intermittent failure of test_inter_app_comm.py
Bug 987039 - apps/system/test/unit/bluetooth_transfer_test.js covers only 25% of the code.