Android Mode 0258

Version 4.0-beta5 of the Android mode

Compatible with Processing 3.1+

Several fixes and updates:

• Export Gradle Android Project: #244
• Finalized touch API: #226
• Support repository and library are dowloaded alongside the platform SDK, so no need to bundle wear and support packages: #306
• Better permission request dialog for watch faces: #298
• Fixed various issues with with emulator execution/installation: #299
• Don't add watch to the list of devices: #302
• Refactored sketch creation mechanism in wallpapers and watch faces: #237
• Properly display clickable links in message dialogs: #293