Merge changes from topic "ender-sensors" into gce-dev

* changes:
  Tailor sensors to work on Cuttlefish
  Rename gce sensor files to vsoc
  Exact copy of GCE sensors
tree: bc8f88f2b63d5e09b0e211ea9dce66fa7f6e4df6
  1. common/
  2. external/
  3. guest/
  4. host/
  5. tools/
  6. Android.mk
  7. BUILD
  8. WORKSPACE