Adopt new TestUtils lib in Edge extensions

[emdobrin]

Epic description

Scope:

• Add the new AEPTestUtils framework as a test dependency to Edge extensions
• Remove duplicated classes that are now supported by AEPTestUtils
• Adopt the common Mock/RealNetworkService from AEPTestUtils
• Adopt the new JSONAssert system for JSONs and dictionary comparisons

This applies for all existing tests for Edge extensions: unit, functional, integration.

Tasks

• Edge Refactor functional and integration tests to use new test utils #127
• Consent Refactor functional tests to use new test utils aepsdk-edgeconsent-android#74
• Edge Identity Refactor functional tests to use new test utils aepsdk-edgeidentity-android#115
• Edge Bridge Refactor functional tests to use new test utils aepsdk-edgebridge-android#51
• Edge Media Refactor functional and integration tests to use new test utils aepsdk-edgemedia-android#71
• Workflow setup Add cron for integration test workflow #160