Fix Issue: #1333 migrated to androidx

[satyamaroraofficial]

Description

migrated to androidx Also, upgraded gradle to 3.5.3 and minsdkversion to 24 which was required for issue fix. Also suppress lint warnings has been removed

Fixes #1333

Type of Change:

• Code

Code/Quality Assurance Only

• Bug fix (non-breaking change which fixes an issue)
• This change requires a documentation update (software upgrade on readme file)

How Has This Been Tested?

was built ,tested and run without errors on android phone(Oneplus3t running pie)

Checklist:

• [ ] My PR follows the style guidelines of this project
• [ ] I have performed a self-review of my own code or materials

Code/Quality Assurance Only

• [ ] My changes generate no new warnings

[mayburgos]

I have to close this PR since you were not assigned the issue nor was the issue approved by a Maintainer. Please check our Contributing Guidelines and follow those steps.