Move vold to clang so ASAN_ALL works.

ASAN_ALL uses ASAN for anything built with clang. Since some of vold's
dependencies use clang, they will have unresolved ASAN symbols unless
vold is also built with clang. There's no harm in just moving this
project to clang.

Change-Id: Ia6f412beb7bf092121bff2a5a980531636adcdb9
1 file changed