uwb(service): Return default FIRA specification params

Since the vendors have not yet added support for the GET_CAPS_INFO_CMD,
return a default FiraSpecificationParams object to help with testing.

Bug: 216104681
Test: adb shell cmd uwb get-specification-info
Change-Id: Ib712e7af959441313714702c7183f21fc03714e0
diff --git a/service/java/com/android/server/uwb/UwbServiceCore.java b/service/java/com/android/server/uwb/UwbServiceCore.java
index 092bb88..a88db63 100644
--- a/service/java/com/android/server/uwb/UwbServiceCore.java
+++ b/service/java/com/android/server/uwb/UwbServiceCore.java
@@ -48,6 +48,7 @@
 import com.google.uwb.support.fira.FiraParams;
 import com.google.uwb.support.fira.FiraSpecificationParams;
 
+import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
@@ -238,13 +239,13 @@
                     mConfigurationManager.getCapsInfo(
                             FiraParams.PROTOCOL_NAME, FiraSpecificationParams.class);
             if (firaSpecificationParams.first != UwbUciConstants.STATUS_CODE_OK)  {
-                Log.e(TAG, "Failed to retrieve FIRA specifications");
+                Log.e(TAG, "Failed to retrieve FIRA specification params");
             }
             Pair<Integer, CccSpecificationParams> cccSpecificationParams =
                     mConfigurationManager.getCapsInfo(
                             CccParams.PROTOCOL_NAME, CccSpecificationParams.class);
             if (cccSpecificationParams.first != UwbUciConstants.STATUS_CODE_OK)  {
-                Log.e(TAG, "Failed to retrieve CCC specifications");
+                Log.e(TAG, "Failed to retrieve CCC specification params");
             }
             // If neither of the capabilities are fetched correctly, don't cache anything.
             if (firaSpecificationParams.first == UwbUciConstants.STATUS_CODE_OK
@@ -254,6 +255,17 @@
                         FiraParams.PROTOCOL_NAME, firaSpecificationParams.second.toBundle());
                 mUwbSpecificationInfo.putPersistableBundle(
                         CccParams.PROTOCOL_NAME, cccSpecificationParams.second.toBundle());
+            } else {
+                Log.w(TAG, "Sending default FIRA specification params");
+                // TODO(b/216104681): Send a default set of params since the vendors have not yet
+                //  added support for this query. The channel list here is specific to US, this
+                //  needs to be removed before T release.
+                mUwbSpecificationInfo.clear();
+                mUwbSpecificationInfo.putPersistableBundle(
+                        FiraParams.PROTOCOL_NAME, new FiraSpecificationParams.Builder()
+                                .setSupportedChannels(List.of(5))
+                                .build()
+                                .toBundle());
             }
         }