AOSP: Conditionally define __bitwise__ on Android.

bionic does not define _LINUX_TYPES_H but does define __bitwise, so we
conditionally define it here.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Change-Id: I500ccd469ea7de2e53ab8bd75720a412c86cf18b
From AOSP commit: 77f2eea2717e18e80a31d80c7721b9e0ed8e0cba
1 file changed