android,configure,meson: define HAVE_ZLIB

The next change wants to use some optional zlib functionality, however
not all platforms currently use zlib. Based on earlier Jordan Justen's
patches and their review feedback.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>

Android.common.mk

@@ -70,6 +70,7 @@ LOCAL_CFLAGS += \
 	-DHAVE_DLADDR \
 	-DHAVE_DL_ITERATE_PHDR \
 	-DHAVE_LINUX_FUTEX_H \
+	-DHAVE_ZLIB \
 	-DMAJOR_IN_SYSMACROS \
 	-fvisibility=hidden \
 	-Wno-sign-compare