[Cronet] Call System.loadLibrary() from impl not API

components/cronet/android/java/src/org/chromium/net/impl/CronetLibraryLoader.java

Index: components/cronet/android/java/src/org/chromium/net/impl/CronetLibraryLoader.java
diff --git a/components/cronet/android/java/src/org/chromium/net/impl/CronetLibraryLoader.java b/components/cronet/android/java/src/org/chromium/net/impl/CronetLibraryLoader.java
index 082fe503dcab718f7d25e3dec736d5a305f4a58b..78579af07805ee6b400a29a494b1abf84a76b1b3 100644
--- a/components/cronet/android/java/src/org/chromium/net/impl/CronetLibraryLoader.java
+++ b/components/cronet/android/java/src/org/chromium/net/impl/CronetLibraryLoader.java
@@ -41,7 +41,11 @@ public class CronetLibraryLoader {
             }
             sInitStarted = true;
             ContextUtils.initApplicationContext(context.getApplicationContext());
-            builder.loadLibrary();
+            if (builder.libraryLoader() != null) {
+                builder.libraryLoader().loadLibrary(builder.libraryName());
+            } else {
+                System.loadLibrary(builder.libraryName());
+            }
             ContextUtils.initApplicationContextForNative();
             if (!ImplVersion.CRONET_VERSION.equals(nativeGetCronetVersion())) {
                 throw new RuntimeException(String.format("Expected Cronet version number %s, "