ProjectExplorer/Android: Some more use of Utils::CommandLine

And surrounding cosmetics.

Change-Id: Iad3d2d43856b1fcd9530d4a209fff9887e6cec42
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/utils/qtcprocess.cpp

@@ -1536,4 +1536,9 @@ void CommandLine::addArgs(const QString &inArgs)
     QtcProcess::addArgs(&m_arguments, inArgs);
 }
 
+QString CommandLine::toUserOutput() const
+{
+    return m_executable.toUserOutput() + ' ' + m_arguments;
+}
+
 } // namespace Utils