Add new methods to test HAL.

Bug: 204584403
Test: builds
Change-Id: I3c3f87616c4450a838b4223f18a47470f7004e36

services/core/java/com/android/server/biometrics/sensors/face/aidl/TestHal.java

@@ -207,6 +207,11 @@ public class TestHal extends IFace.Stub {
             public ICancellationSignal detectInteractionWithContext(OperationContext context) {
                 return detectInteraction();
             }
+
+            @Override
+            public void onContextChanged(OperationContext context) {
+                Slog.w(TAG, "onContextChanged");
+            }
         };
     }
 }

services/core/java/com/android/server/biometrics/sensors/fingerprint/aidl/TestHal.java

@@ -212,6 +212,11 @@ public class TestHal extends IFingerprint.Stub {
             public void onPointerUpWithContext(PointerContext context) {
                 onPointerUp(context.pointerId);
             }
+
+            @Override
+            public void onContextChanged(OperationContext context) {
+                Slog.w(TAG, "onContextChanged");
+            }
         };
     }
 }