Move librilutils to vendor.

Test: CleanSpec.mk works
Test: Works with BOARD_VNDK_VERSION := current
Test: Phone call works
Fixes: 37429672
Change-Id: I605732a88dc57132d8fa4bbfa70a3c9b47b0e0ff
3 files changed
tree: dc1e72f397a23c55e55e0a8c00e5ba99e9a6e789
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk