Update git submodules

* Update toolchain/llvm_android from branch 'master'
  to 2de7f8dc923c01c3b4522ed4fd166d8718a641a7
  - Merge "[patches] Cherry pick CLS for: upstream reverts"
  - [patches] Cherry pick CLS for: upstream reverts
    
    c89cfbd4ddf Revert "[DAG] Extend SearchForAndLoads with any_extend handling"
    b6e048c6e51 Test fixes for prior patch
    d7dd7ad827a Revert "[ASan] Not linking asan_static library for DSO."
    f69f23396d3 Revert "DebugInfo: Don't put types in type units if they reference internal linkage types"
    
    Test: N/A
    Bug: http://b/219872355
    Change-Id: Ifa0f0f924ac5a80deface855e1bcb20b4ae87e55