Add support for CellInfo RIL commands.

These commands allow for more precise location determination.

To support CellInfo I created librilutils which adds ril_nano_time
over time librilutils will be expanded to have other common methods
that would be used by ril implementations.

Bug: 8235566
Change-Id: I7ad7dabc4b6c38bfba4461b08e6e30d0eb9efea1
9 files changed
tree: a8ec0b9631452fc050bd00a672f8b5790c3e1d37
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/