[LSC] Add LOCAL_LICENSE_KINDS to hardware/ril

Added SPDX-license-identifier-Apache-2.0 to:
  Android.bp
  libril/Android.mk
  librilutils/Android.bp
  reference-ril/Android.mk
  rild/Android.mk

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Iff72ffd6e3da98a6400bc941b39a239cc7b33c79
5 files changed