[LSC] Add LOCAL_LICENSE_KINDS to external/libcxxabi

Added SPDX-license-identifier-BSD SPDX-license-identifier-MIT
    SPDX-license-identifier-NCSA
to:
  Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Ie8569e4ca418ec2b58c7063835d6a898cb02c462
1 file changed