Docs: BT and BT Low Energy requirements document

Bug: 19337641
Change-Id: Ie95c2896c380ca9cdfc05d9e9d6bb248c03d3a3e
diff --git a/src/devices/Android-5.0-Bluetooth-HCI-Reqs.pdf b/src/devices/Android-5.0-Bluetooth-HCI-Reqs.pdf
new file mode 100644
index 0000000..40e9cee
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+++ b/src/devices/Android-5.0-Bluetooth-HCI-Reqs.pdf
Binary files differ
diff --git a/src/devices/bluetooth.jd b/src/devices/bluetooth.jd
index 652c174..13eb4b5 100644
--- a/src/devices/bluetooth.jd
+++ b/src/devices/bluetooth.jd
@@ -28,6 +28,8 @@
 
 <p>Android provides a default Bluetooth stack, BlueDroid, that is divided into two layers: The Bluetooth Embedded System (BTE), which implements the core Bluetooth functionality and the Bluetooth Application Layer (BTA), which communicates with Android framework applications.</p>
 
+<p>To fully leverage the <a href="http://developer.android.com/about/versions/android-5.0.html#BluetoothBroadcasting">Bluetooth Low Energy APIs</a> added in Android 5.0, you should implement the <a href="Android-5.0-Bluetooth-HCI-Reqs.pdf">Android 5.0 Bluetooth HCI Requirements</a>.</p>
+
 <h2 id="architecture">Architecture</h2>
 <p>A Bluetooth system service communicates with the Bluetooth stack through JNI and with applications through  Binder IPC. The system service provides developers access to various Bluetooth profiles. The following diagram shows the general structure of the Bluetooth stack:
 </p>