[LSC] Add LOCAL_LICENSE_KINDS to system/unwinding

Added SPDX-license-identifier-Apache-2.0 to:
  libbacktrace/Android.bp

Added SPDX-license-identifier-Apache-2.0 SPDX-license-identifier-BSD to:
  Android.bp
  libunwindstack/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Ied8749b07ac2ddd981711286a2873aa4f12e9281
3 files changed
tree: f359ae168a12d512eef003097bb0eb1ccf40ca44
  1. libbacktrace/
  2. libunwindstack/
  3. Android.bp
  4. OWNERS
  5. PREUPLOAD.cfg