fix#1233:Password verification before changing password added

[haran2248]

Issue Fix

Fixes #1233

Screenshots

https://user-images.githubusercontent.com/56928954/107889476-d5c15100-6f38-11eb-984d-82f2a531292f.mp4

Description

View to verify the password is added before changing the passcode.This is done so that people do not misuse the privacy of the user.

• [x] Apply the AndroidStyle.xml style template to your code in Android Studio.

• [x] Run the unit tests with ./gradlew check to make sure you didn't break anything

• [x] If you have multiple commits please combine them into one commit by squashing them.

[haran2248]

@devansh-299 Please review this

[devansh-299]

@haran2248 will you be still able to work on this pull request?