hikey: Add a HIDL HAL for Bluetooth

The hikey HCI tty driver needs FIONREAD to be called before every read.

Add an HciPacketizerHikey class to make sure that FIONREAD is called.

Test: Bluetooth starts/stops, VtsHalBluetoothV1_0TargetTest passes
Change-Id: I9e9260337108c93cae66b89e21c3561916f42f54
diff --git a/bluetooth/android.hardware.bluetooth@1.0-service.hikey.rc b/bluetooth/android.hardware.bluetooth@1.0-service.hikey.rc
new file mode 100644
index 0000000..6f31efd
--- /dev/null
+++ b/bluetooth/android.hardware.bluetooth@1.0-service.hikey.rc
@@ -0,0 +1,4 @@
+service bluetooth-1-0 /vendor/bin/hw/android.hardware.bluetooth@1.0-service.hikey
+    class hal
+    user bluetooth
+    group bluetooth