[LSC] Add LOCAL_LICENSE_KINDS to external/firebase-messaging

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

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I58d5957fc8ece063a838d6d7c7fd6d68cda8393e
1 file changed
tree: b4e503bff6eb6ada8b059816575199a5484efbf8
  1. libs/
  2. Android.bp
  3. LICENSE
  4. METADATA
  5. MODULE_LICENSE_APACHE2