[LSC] Add LOCAL_LICENSE_KINDS to packages/apps/Bluetooth

Added SPDX-license-identifier-Apache-2.0 to:
  tests/robotests/Android.mk
  tests/unit/Android.bp

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

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I2f0259a5179d5a7a049af151efb3a207937aacc8