Fetch Finch seed during restore

base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java

Index: base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
diff --git a/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java b/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
index f833abba1ad31443eb68b268edf8faec8b88846b..9c16204ccc580cfdbbc6eb3fbb229c1964c47172 100644
--- a/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
+++ b/base/android/java/src/org/chromium/base/library_loader/LibraryLoader.java
@@ -13,6 +13,7 @@ import org.chromium.base.CommandLine;
 import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.base.TraceEvent;
+import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.MainDex;
@@ -443,6 +444,15 @@ public class LibraryLoader {
         return sInstance.mLibraryProcessType;
     }
 
+    /**
+     * Override the library loader (normally with a mock) for testing.
+     * @param loader the mock library loader.
+     */
+    @VisibleForTesting
+    public static void setLibraryLoaderForTesting(LibraryLoader loader) {
+        sInstance = loader;
+    }
+
     private native void nativeInitCommandLine(String[] initCommandLine);
 
     // Only methods needed before or during normal JNI registration are during System.OnLoad.