Build libunwind without Neon.

Test: readelf -A
Bug: https://github.com/android/ndk/issues/1203
Change-Id: I54c36466f2b19f0a4d62724fd22984859f0372b9
(cherry picked from commit c2451353427d36e2a58af747e0ea93ae6f26c423)
1 file changed