Update git submodules

* Update frameworks/native from branch 'master'
  to b9a881465cf0937df3ebe575475cefa5bcc54bfe
  - Merge "binderRpcTest: stronger check for synchronous cbs"
  - binderRpcTest: stronger check for synchronous cbs
    
    We shouldn't need to wait for a synchronous callback result.
    
    Bug: N/A
    Test: binderRpcTest
    Change-Id: I596922ee452298f1e802f6af64bbceb327dbf8dd
    
1 file changed