android: move ResourcePrefetchPredictor usage to LoadingPredictor.

Following the native side refactoring (crrev.com/2847183002), update the
android code entry points to LoadingPredictor.

BUG=715525

Review-Url: https://codereview.chromium.org/2879103003
Cr-Commit-Position: refs/heads/master@{#471776}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 890cb3b8..7b3187b8 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -974,6 +974,8 @@
     "predictors/glowplug_key_value_table.h",
     "predictors/loading_predictor.cc",
     "predictors/loading_predictor.h",
+    "predictors/loading_predictor_android.cc",
+    "predictors/loading_predictor_android.h",
     "predictors/loading_predictor_config.cc",
     "predictors/loading_predictor_config.h",
     "predictors/loading_predictor_factory.cc",
@@ -988,8 +990,6 @@
     "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_tab_helper.cc",
     "predictors/resource_prefetch_predictor_tab_helper.h",
     "predictors/resource_prefetch_predictor_tables.cc",
@@ -4146,8 +4146,8 @@
       "../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/LoadingPredictor.java",
       "../android/java/src/org/chromium/chrome/browser/customtabs/OriginVerifier.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",