Issue when deploying AppBundle in playstore.

The app works fine on local development environment but when deployed to play store it crashes on opening gateway.

**Flutter Version :**
Flutter 1.12.13+hotfix.7 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 9f5ff2306b (9 days ago) • 2020-01-26 22:38:26 -0800
Engine • revision a67792536c
Tools • Dart 2.7.0

**Plugin Version :**
razorpay_plugin : 0.3.0

```
Fatal Exception: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.chennaieguide.mobile/com.razorpay.CheckoutActivity}: java.lang.ClassNotFoundException: Didn't find class "com.razorpay.d__1_" on path: DexPathList[[zip file "/system/framework/org.apache.http.legacy.boot.jar", zip file "/data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/base.apk", zip file "/data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/split_config.arm64_v8a.apk", zip file "/data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/split_config.en.apk", zip file "/data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/split_config.xxhdpi.apk"],nativeLibraryDirectories=[/data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/lib/arm64, /data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/base.apk!/lib/arm64-v8a, /data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/split_config.arm64_v8a.apk!/lib/arm64-v8a, /data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/split_config.en.apk!/lib/arm64-v8a, /data/app/com.chennaieguide.mobile-f98OWS6waZ_LpgO6jAszlg==/split_config.xxhdpi.apk!/lib/arm64-v8a, /system/lib64]]
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3138)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3289)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2012)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:227)
at android.app.ActivityThread.main(ActivityThread.java:7211)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:575)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:903)
```