Add TouchSpotController to PointerController dump.

Bug: 254277939
Test: manually inspect `dumpsys input`
Change-Id: I3a50e13885df90253335f013cda28b5ce9d2def7
diff --git a/libs/input/PointerController.cpp b/libs/input/PointerController.cpp
index 1f80ba9..099efd3 100644
--- a/libs/input/PointerController.cpp
+++ b/libs/input/PointerController.cpp
@@ -331,6 +331,10 @@
     for (const auto& info : mLocked.mDisplayInfos) {
         info.dump(dump, INDENT3);
     }
+    dump += INDENT2 "Spot Controllers:\n";
+    for (const auto& [_, spotController] : mLocked.spotControllers) {
+        spotController.dump(dump, INDENT3);
+    }
 }
 
 } // namespace android