Add user defined parameter support to ACTS and other improvements.

Allow user to add extra params in test bed config file.
Add the option to specify test bed config file location.
Fix a bug where illegal chars in adb log cause error.
Change load_config to guarantee file closure.
Fix a problem in sl4a where multiple instances of HttpFacade causes exception.
Replace '+' with join in event_dispatcher.

Change-Id: I6c74d901f847623aeabdc38853a87e8b07f26ba3
1 file changed