This PR does the following: It uses TextView.onClickListener to open DatePicker dialog box and updates the date after it has been selected. It also doesn't allow user to select dates prior to today or end date before start date. Updated EditText to TextView for better user experience.
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[x] The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
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Essential Checklist
Proof that changes are correct