uwb: Default HAL implementation

Skeletal implementation of UWB HAL which will be used for
cuttlefish/reference implementation in the future.

Bug: 195992658
Test: Manual verification of HAL booting up and handling HAL
API calls.

Change-Id: I894b7aef893ff2ed4f287f72471326b5211245c3
diff --git a/uwb/aidl/default/uwb-service.xml b/uwb/aidl/default/uwb-service.xml
new file mode 100644
index 0000000..013d9de
--- /dev/null
+++ b/uwb/aidl/default/uwb-service.xml
@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.uwb</name>
+        <version>1</version>
+        <interface>
+            <name>IUwb</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>