bluetooth: Include <vector> for std::vector

IWYU. This fixes the libstdc++ build after commit df930962 ("De-duplicate
multiple implementations of bluetooth address and UUID parsing"):

../../device/bluetooth/public/cpp/bluetooth_uuid.h:87:8: error: no template named 'vector' in namespace 'std'
  std::vector<uint8_t> GetBytes() const;
  ~~~~~^

Bug: 957519
Change-Id: I023a57e87cfac39cac2d1db0079458a562391424
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1910082
Auto-Submit: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com>
Commit-Queue: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714297}

device/bluetooth/public/cpp/bluetooth_uuid.h

@@ -6,6 +6,7 @@
 #define DEVICE_BLUETOOTH_PUBLIC_CPP_BLUETOOTH_UUID_H_
 
 #include <string>
+#include <vector>
 
 #include "build/build_config.h"