Selectively perform JNI registration in render processes on Android.

base/android/java/src/org/chromium/base/JNIUtils.java

Index: base/android/java/src/org/chromium/base/JNIUtils.java
diff --git a/base/android/java/src/org/chromium/base/JNIUtils.java b/base/android/java/src/org/chromium/base/JNIUtils.java
index f971b5e03cebd984bcd14066947c40a475f2afe4..85e7485778f2f009516b490ceec91292b805b6e7 100644
--- a/base/android/java/src/org/chromium/base/JNIUtils.java
+++ b/base/android/java/src/org/chromium/base/JNIUtils.java
@@ -21,4 +21,9 @@ public class JNIUtils {
     public static Object getClassLoader() {
         return JNIUtils.class.getClassLoader();
     }
+
+    @CalledByNative
+    public static boolean isMultidexEnabled() {
+        return BuildConfig.isMultidexEnabled();
+    }
 }