[LSC] Add LOCAL_LICENSE_KINDS to frameworks/hardware/interfaces

Added SPDX-license-identifier-Apache-2.0 to:
  automotive/powerpolicy/aidl/Android.bp
  cameraservice/device/2.1/Android.bp
  cameraservice/service/2.2/Android.bp
  stats/aidl/Android.bp
  stats/aidl/test_client/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I59589826f8e1919c30085d1dd3376d159fe529c4
5 files changed