[LSC] Add LOCAL_LICENSE_KINDS to frameworks/opt/telephony

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

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

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

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I2cc4f853c4f1b6f57be70e4b5ca1211781d4af98