Record the return value of NativeLibraryPreloader.loadLibrary in UMA

base/android/library_loader/library_loader_hooks.h

Index: base/android/library_loader/library_loader_hooks.h
diff --git a/base/android/library_loader/library_loader_hooks.h b/base/android/library_loader/library_loader_hooks.h
index 1ed09bd54f00020c62e142480642281580f42a06..3e8969bc59a2c93671bf3e2a4e9d03fefffab096 100644
--- a/base/android/library_loader/library_loader_hooks.h
+++ b/base/android/library_loader/library_loader_hooks.h
@@ -27,9 +27,10 @@ enum LibraryProcessType {
   PROCESS_WEBVIEW_CHILD = 4,
 };
 
-// Record any pending renderer histogram value as a histogram.  Pending values
-// are set by RegisterChromiumAndroidLinkerRendererHistogram.
-BASE_EXPORT void RecordChromiumAndroidLinkerRendererHistogram();
+// Record any pending renderer histogram value as histograms.  Pending values
+// are set by RegisterChromiumAndroidLinkerRendererHistogram and
+// RegisterLibraryPreloaderRendererHistogram.
+BASE_EXPORT void RecordLibraryLoaderRendererHistograms();
 
 // Registers the callbacks that allows the entry point of the library to be
 // exposed to the calling java code.  This handles only registering the