QtcProcess: Limit the inclusion of qtcprocess.h

Move the rest of QtcProcess enums to processenums.h.
Move ExitCodeInterpreter into processenums.h.
Remove superfluous Utils:: prefix.

Change-Id: Iaa596f353d33d6930085a621b114cc15a35caa80
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/android/androidsettingswidget.cpp

@@ -636,7 +636,7 @@ void AndroidSettingsWidget::downloadOpenSslRepo(const bool silent)
                 m_ui.openSslPathChooser->triggerChanged(); // After cloning, the path exists
 
                 if (!openSslProgressDialog->wasCanceled()
-                    || gitCloner->result() == QtcProcess::FinishedWithError) {
+                    || gitCloner->result() == ProcessResult::FinishedWithError) {
                     failDialog();
                 }
             });