Fix defines for G3 android build

There are 3 android builds, so we need to represent the defines
more granularly. See also http://cl/585658282

Bug: b/305780908
Change-Id: I634d91f0fe11dca251e31fab58eedd38098a3bb4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/789217
Reviewed-by: Ben Wagner <bungeman@google.com>
Reviewed-by: Leandro Lovisolo <lovisolo@google.com>
1 file changed