[Android] Enable multidex for debug builds of ChromePublic.

base/android/java/templates/ChromiumMultiDex.template

Index: base/android/java/templates/ChromiumMultiDex.template
diff --git a/base/android/java/src/org/chromium/base/multidex/ChromiumMultiDex.java b/base/android/java/templates/ChromiumMultiDex.template
similarity index 95%
rename from base/android/java/src/org/chromium/base/multidex/ChromiumMultiDex.java
rename to base/android/java/templates/ChromiumMultiDex.template
index 7696a14568e1cb079597b2fb526a9063dfabbb31..18b3c77dfb9dd86423c80410ab76df43e5a4015e 100644
--- a/base/android/java/src/org/chromium/base/multidex/ChromiumMultiDex.java
+++ b/base/android/java/templates/ChromiumMultiDex.template
@@ -30,6 +30,7 @@ public class ChromiumMultiDex {
      *  @param context The application context.
      */
     @VisibleForTesting
+#if defined(CONFIGURATION_NAME_Debug)
     public static void install(Context context) {
         try {
             // TODO(jbudorick): Back out this version check once support for K & below works.
@@ -54,5 +55,9 @@ public class ChromiumMultiDex {
             throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
         return (boolean) Process.class.getMethod("isIsolated").invoke(null);
     }
+#else
+    public static void install(Context context) {
+    }
+#endif
 
 }