Revert "adb: add transport benchmark."

This reverts commit d78f59ca53746b9ffa5e44dd5f0ca636ce4012d4.

Reason for revert: Breaks aosp-master renderscript and sdk_mac:
  error: system/core/adb/Android.bp:199:19: unrecognized property "host_supported"

Change-Id: Ifd75921dcdf5dce57f98833a913540914984b293
2 files changed