Use Java 8 Date/Time API.

Description

• Enable Java 8 API desugaring in Moviepedia.
• Use the Java 8 LocalDate class instead of java.util.Date in Moviepedia.

Motivation and Context

The Java 8 Date/Time API provides several advantages over the legacy API, such as thread safety and support for time zones.

How Has This Been Tested?

Screenshots / GIFs (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Enhancement (non-breaking change which cleans up / improves existing functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the CONTRIBUTING section of the README document.

Resolves