Adopt the libcutils mutex before it's removed.

Everyone else can use pthread_mutex_t or (even better) std::mutex now,
but this code still needs to compile with pre-C++11.

Bug: N/A
Test: build `sdk_phone_x86-userdebug` and run emulator
Change-Id: I57026e8780d3b043908b68387e7af667aa7c8c19
2 files changed
tree: a5afa26342aa4eb356c4da7cb83f3621b27f631c
  1. host/
  2. shared/
  3. system/
  4. tests/
  5. Android.mk
  6. common.mk
  7. README