Fix warning: "Missing reference in range-for with non trivial type"

[-Wclazy-range-loop]

Change-Id: I5dcb263c754d423740e7bce3dcb948d52f2dec67
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/android/androidsdkmanager.cpp

@@ -609,7 +609,7 @@ bool SdkManagerOutputParser::parseAbstractData(SdkManagerOutputParser::GenericPa
     extraKeys << installLocationKey << revisionKey << descriptionKey;
     foreach (QString line, input) {
         QString value;
-        for (auto key: extraKeys) {
+        for (const auto &key: qAsConst(extraKeys)) {
             if (valueForKey(key, line, &value)) {
                 if (key == installLocationKey)
                     output.installedLocation = Utils::FileName::fromString(value);