Apply clang-format to Bluetooth related HAL code

- cp system/bt/.clang-format hardware/interfaces/bluetooth/
- modify hardware/interfaces/bluetooth/.clang-format to match context
- find . -type f \( -iname \*.cpp -o -iname \*.h -o -iname \*.cc \) | xargs clang-format --style=file -i

Test: make
Change-Id: I82e4f26e1efeb715aff7de8a15c3db06e02967a4
diff --git a/bluetooth/1.0/default/async_fd_watcher.cc b/bluetooth/1.0/default/async_fd_watcher.cc
index 7c74643..18098ca 100644
--- a/bluetooth/1.0/default/async_fd_watcher.cc
+++ b/bluetooth/1.0/default/async_fd_watcher.cc
@@ -18,13 +18,13 @@
 
 #include "async_fd_watcher.h"
 
+#include <log/log.h>
 #include <algorithm>
 #include <atomic>
 #include <condition_variable>
 #include <map>
 #include <mutex>
 #include <thread>
-#include <log/log.h>
 #include <vector>
 #include "fcntl.h"
 #include "sys/select.h"
@@ -159,11 +159,9 @@
       TimeoutCallback saved_cb;
       {
         std::unique_lock<std::mutex> guard(timeout_mutex_);
-        if (timeout_ms_ > std::chrono::milliseconds(0))
-          saved_cb = timeout_cb_;
+        if (timeout_ms_ > std::chrono::milliseconds(0)) saved_cb = timeout_cb_;
       }
-      if (saved_cb != nullptr)
-        saved_cb();
+      if (saved_cb != nullptr) saved_cb();
       continue;
     }
 
@@ -180,14 +178,14 @@
       std::unique_lock<std::mutex> guard(internal_mutex_);
       for (auto& it : watched_fds_) {
         if (FD_ISSET(it.first, &read_fds)) {
-        it.second(it.first);
+          it.second(it.first);
         }
       }
     }
   }
 }
 
-} // namespace async
-} // namespace bluetooth
-} // namespace hardware
-} // namespace android
+}  // namespace async
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android