predictors: Make the resource_prefetch_predictor accessible from Java.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 64f46204e7b051f7a2100fde06a1a334766b89c0..9c89da4a75207c599df0b9cbe4a179d75a873574 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -820,6 +820,8 @@ split_static_library("browser") {
     "predictors/resource_prefetch_common.h",
     "predictors/resource_prefetch_predictor.cc",
     "predictors/resource_prefetch_predictor.h",
+    "predictors/resource_prefetch_predictor_android.cc",
+    "predictors/resource_prefetch_predictor_android.h",
     "predictors/resource_prefetch_predictor_factory.cc",
     "predictors/resource_prefetch_predictor_factory.h",
     "predictors/resource_prefetch_predictor_tab_helper.cc",
@@ -3776,6 +3778,7 @@ if (android_java_ui) {
       "../android/java/src/org/chromium/chrome/browser/contextualsearch/CtrSuppression.java",
       "../android/java/src/org/chromium/chrome/browser/cookies/CookiesFetcher.java",
       "../android/java/src/org/chromium/chrome/browser/crash/MinidumpUploadService.java",
+      "../android/java/src/org/chromium/chrome/browser/customtabs/ResourcePrefetchPredictor.java",
       "../android/java/src/org/chromium/chrome/browser/database/SQLiteCursor.java",
       "../android/java/src/org/chromium/chrome/browser/datausage/DataUseTabUIManager.java",
       "../android/java/src/org/chromium/chrome/browser/datausage/ExternalDataUseObserver.java",