Update to version 4.3.0

4.3.0 changelog:
-now supports vendors configuring airplane mode behaviour by including
'ant' in the airplane mode and airplane toggleable radios list (which is
necessary on Android 4.2+ to respect airplane mode)
-fixes some issues with error recovery and airplane mode that cause
requests to initialize ANT to hang for long periods of time
-supports Android 4.4 user switching when used with versions of ANT Hal
Service that also have user switching support
-fixes a bug with bursting that results in bursts being erroneously
reported to apps as 'failed' when other channels are sending
acknowledged messages
-update application icon to grey version to have better contrast on
light backgrounds