Android Wear N Preview 2 (NVD83H)
Switch libunwind over to building for NDK 23.

It would be preferable if this could build for API level 9, but it
depends on dl_iterate_phdr(), which only appears in API level 21 for
ARM. It also needs asm/unistd.h, which only appears in API level 23 for
x86_64.

Change-Id: I010bcc7ca1b3447b66db94505516c023f7fd3306
1 file changed