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/androidpackageinstallationstep.h

@@ -40,15 +40,14 @@ class AndroidPackageInstallationStep : public Qt4ProjectManager::MakeStep
 {
     Q_OBJECT
     friend class AndroidPackageInstallationFactory;
+
 public:
     explicit AndroidPackageInstallationStep(ProjectExplorer::BuildStepList *bsl);
-    virtual ~AndroidPackageInstallationStep();
-    virtual bool init();
+    bool init();
+
 private:
     AndroidPackageInstallationStep(ProjectExplorer::BuildStepList *bc,
         AndroidPackageInstallationStep *other);
-
-private:
     static const Core::Id Id;
 };