Rename writeToProto to be dumpDebug

We want to eventually migrate some of these APIs to be @SystemApi for mainline modules.
The #dumpDebug name is more appropriate than #writeToProto.

Bug: 142279786
Test: Manual
Change-Id: I60793e91cedf6b720d4ecef6a8484f4fed4ff30f

startop/iorap/src/com/google/android/startop/iorap/AppLaunchEvent.java

@@ -439,7 +439,7 @@ public abstract class AppLaunchEvent implements Parcelable {
             final ProtoOutputStream protoOutputStream =
                     new ProtoOutputStream(INTENT_PROTO_CHUNK_SIZE);
             // Write this data out as the top-most IntentProto (i.e. it is not a sub-object).
-            intent.writeToProto(protoOutputStream);
+            intent.dumpDebug(protoOutputStream);
             final byte[] bytes = protoOutputStream.getBytes();
 
             p.writeByteArray(bytes);