Provide HIDL support for RIL commands in ril.cpp (patch 2).

Also has revert of
https://googleplex-android-review.git.corp.google.com/#/c/1880364/

Bug: 32020264
Test: Basic telephony sanity. Phone calls/sms/data. No assert for FI sim.
Change-Id: I0617cdeca367962cc345a0d501e7754f40dc20e0
4 files changed
tree: 237e8139fabfc245ac3201c88e3c54984eac7d88
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk