Add makefile for tools/bugpoint-passes

bug 15433215

Build BugpointPasses module for the host.  It is loaded by some bugpoint
tests.

Cherry pick https://android-review.googlesource.com/#/c/148016/ from
AOSP

Change-Id: I1c0450a63d5eb25cb9da9f07baaaceefd454def5
2 files changed