Move librilutils to vendor.

Test: CleanSpec.mk works
Test: Works with BOARD_VNDK_VERSION := current
Test: Phone call works
Fixes: 37429672
Merged-In: I605732a88dc57132d8fa4bbfa70a3c9b47b0e0ff
Change-Id: I605732a88dc57132d8fa4bbfa70a3c9b47b0e0ff
(cherry picked from commit 4ef3e136c440153bb1173457f64bec9f2fecb81e)
3 files changed
tree: 709c8a3f3b8c9d731dd953f71ddca69cb44776fb
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk