Have setRemoteAddress accept a Nullable remoteAddress

Per API council feedback.

Bug: 388438641
Test: TH
Change-Id: Iba71c4944ebbd91df5fdbb3605fc9edcc2139af5
diff --git a/framework/api/current.txt b/framework/api/current.txt
index a9d1569..a080149 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -255,7 +255,7 @@
     method @NonNull public android.net.L2capNetworkSpecifier build();
     method @NonNull public android.net.L2capNetworkSpecifier.Builder setHeaderCompression(int);
     method @NonNull public android.net.L2capNetworkSpecifier.Builder setPsm(int);
-    method @NonNull public android.net.L2capNetworkSpecifier.Builder setRemoteAddress(@NonNull android.net.MacAddress);
+    method @NonNull public android.net.L2capNetworkSpecifier.Builder setRemoteAddress(@Nullable android.net.MacAddress);
     method @NonNull public android.net.L2capNetworkSpecifier.Builder setRole(int);
   }