Use modern env var for Android detection #2998

Job	Run time
all-platforms (macos-14)	26m 6s
all-platforms (macos-14)	33m 37s
loom	9m 11s
loom	9m 11s
all-platforms (ubuntu-latest)	9m 36s
all-platforms (ubuntu-latest)	9m 36s
emulator	2m 35s
emulator	2m 35s
jvm (8)	6m 11s
jvm (8)	6m 11s
all-platforms (windows-latest)	14m 15s
all-platforms (windows-latest)	14m 15s
jvm (11)	4m 48s
jvm (11)	4m 48s
jvm (17)	5m 0s
jvm (17)	5m 0s
jvm (19)	5m 15s
jvm (19)	5m 15s
publish	0s
publish	0s
publish-website	0s
publish-website	0s
	2h 53m 25s

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