Android: Add extension to the package name in SdkManager

- Add "Extension 4" if the name contain "-ext4"
- Fix issue with two Tiramisu packages, now one of them
conatin "Extension 4" in the end.

Change-Id: Ib84807e9401acdef53c3dc1195dc3dc6ef34a57d
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/android/androidsdkpackage.cpp

@@ -74,6 +74,16 @@ void AndroidSdkPackage::setInstalledLocation(const Utils::FilePath &path)
         updatePackageDetails();
 }
 
+void AndroidSdkPackage::setExtension(const QString &extension)
+{
+    m_extension = extension;
+}
+
+QString AndroidSdkPackage::extension() const
+{
+    return m_extension;
+}
+
 void AndroidSdkPackage::updatePackageDetails()
 {