Explicitly set LOCAL_MODULE_TARGET_ARCH

This avoids conflict when we have x86+arm multilib build.

Bug: 27526885
Change-Id: I7d5daf83faafa81311aec0e791646552b5e06175
(cherry-pick from commit 2a5dae0be5ad61e2e73f3605f5df7c7d0016558e)
1 file changed