android: code cosmetics

Fix whitespace, capitalization, naming, comments, add 'using'
in .cpp, remove 'using' in .h, remove unneeded Q_UNUSED, add
needed Q_UNUSED, etc.

Change-Id: Ibf9ba57850cbea1e79e152ec0165c8b01fa66567
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/android/androiddevice.cpp

@@ -49,7 +49,7 @@ AndroidDevice::AndroidDevice()
 }
 
 AndroidDevice::AndroidDevice(const AndroidDevice &other)
-    : ProjectExplorer::IDevice(other)
+    : IDevice(other)
 { }