Fix statsd publicapi stub default usage

It was referring to the systemapi defaults, which is incorrect.
I noticed this as I was adding all the stub txt variants to dist.

Bug: 147768409
Test: m
Change-Id: If12fe22c92fbfc82a6efce9c466990d9c3da242e
diff --git a/apex/framework/Android.bp b/apex/framework/Android.bp
index 804eb03..7480ec8 100644
--- a/apex/framework/Android.bp
+++ b/apex/framework/Android.bp
@@ -89,7 +89,7 @@
 droidstubs {
     name: "framework-statsd-stubs-srcs-publicapi",
     defaults: [
-        "framework-module-stubs-defaults-systemapi",
+        "framework-module-stubs-defaults-publicapi",
         "framework-statsd-stubs-srcs-defaults",
     ],
 }
diff --git a/apex/framework/api/current.txt b/apex/framework/api/current.txt
index d802177..a655693 100644
--- a/apex/framework/api/current.txt
+++ b/apex/framework/api/current.txt
@@ -1 +1,12 @@
 // Signature format: 2.0
+package android.util {
+
+  public final class StatsLog {
+    method @RequiresPermission(allOf={android.Manifest.permission.DUMP, android.Manifest.permission.PACKAGE_USAGE_STATS}) public static boolean logBinaryPushStateChanged(@NonNull String, long, int, int, @NonNull long[]);
+    method public static boolean logEvent(int);
+    method public static boolean logStart(int);
+    method public static boolean logStop(int);
+  }
+
+}
+