[Android] Only generate Android app projects for either Debug or Rele… #861

Job	Run time
build_linux (Full, Shared, Release)	3m 19s
build_linux (Full, Shared, Debug)	3m 39s
build_linux (Full, Static, Release)	3m 45s
build_linux (Full, Static, Debug)	3m 45s
build_linux (Limited, Shared, Release)	2m 43s
build_linux (Limited, Shared, Debug)	2m 31s
build_linux (Limited, Static, Release)	2m 48s
build_linux (Limited, Static, Debug)	2m 44s
	25m 14s

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