Merge pull request #397 from marianosz/android

[Android] Fix Registration when refresh needed
[Android] Support Long id type on delete
[Android] Use platform agnostic tables
[Android] Remove duplicate table setup
Merge pull request #401 from leotilli/android

[Android] Use platform agnostic tables and merge android specific tables into main scripts
[Android] Create package for UTest classes and data
[Android] Create package for UTest service filters
[Android] Create package for UTest mock classes
[Android] Create package for UTest helper classes
[Android] Correct tests suffix
Merge pull request #425 from leotilli/android_organize_unit_tests

Android organize unit tests
Fixing Purge Bug
Merge branch 'android' of https://github.com/Azure/azure-mobile-services into android

Merge main changes