Update git submodules

* Update trusty/user/base from branch 'main'
  to a3a0cbe3ef938b6f94bd6b50a7f23dd2432050f0
  - libstdc++-trusty: Update license file name
    
    The NOTICE symlink in libcxx was removed.
    Replace it with its target LICENSE.TXT in
    the libstdc++-trusty build.
    
    Bug: 304585390
    Test: build.py generic-x86_64-test
    Change-Id: I898dddfb2a22f7a3aa8a6dd5baeb1d7dca8acd8d
    
1 file changed