QDS-11960 Create testing infrastructure for x86_64

This MR brings the following features;

• Add testing stages for the x86_64 arch into the CI
• Create required testing infrastructure

cicd/stages/build.yml

@@ -26,7 +26,6 @@ build-android:
     QDS_CI_JOB_TARGET_PLATFORM: "android"
     QDS_CI_JOB_ARTIFACTS_PATH: ${QDS_CI_ARTIFACTS_PATH}/${QDS_CI_JOB_TARGET_PLATFORM}/${QDS_CI_JOB_TARGET_ARCH}
     QDS_CI_JOB_QT_ANDROID_PATH: "${QDS_CI_QT_PATH}/${QDS_CI_QT_VERSION}/${QDS_CI_JOB_TARGET_PLATFORM}_${QDS_CI_JOB_TARGET_ARCH}"
-  image: "git.qt.io:4567/design-studio/maintenance/docker-images/qt-full:${QDS_CI_QT_VERSION}"
   artifacts:
     name: design-viewer-${CI_JOB_ID}-qt${QDS_CI_QT_VERSION}-${QDS_CI_JOB_TARGET_PLATFORM}-${QDS_CI_JOB_TARGET_ARCH}
     expose_as: "build-artifacts"