Update git submodules

* Update external/boringssl from branch 'master'
  to 538c627f256dc8eac8c8817763b8b39cbb61d06f
  - Merge "Explicitly call BORINGSSL_self_test() in boringssl_self_test."
  - Explicitly call BORINGSSL_self_test() in boringssl_self_test.
    
    Maintains pre-Android 13 behaviour by ensuring any crypto
    module failures are detected at boot time.
    
    For the libcrypto in /system this may not be needed and
    we can change the behaviour later.
    
    For libcrypto in the Conscrypt APEX, this is needed to maintain
    current behaviour on older releases.
    
    Bug: 231946889
    Test: Flash and boot.
    Change-Id: I7dee7f0bf953ea2c5026881d5acc13698de0626d
    
1 file changed