Stabilize DeveloperAndroid emulator defaults #31

Job	Run time
build-desktop	25s
build-desktop-kde	26s
build (coder-mks-developer-android, Docker-Images/DeveloperAndroid, desktop-kde)	14s
build (coder-mks-design, Docker-Images/Designer, desktop-kde)	34s
build (coder-mks-developer, Docker-Images/Developer, desktop)	32s
	2m 11s

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