Test HAPI's profile validation on Android

[jingtang10]

This is really important high-priority research task we need to do. https://hapifhir.io/hapi-fhir/docs/validation/validation_support_modules.html

@fredhersch @pld

[jingtang10]

this is a child issue (and first step) of #628

[RubanChristian]

@READ
public Patient read(@IdParam IdType theId) {
if (databaseIsDown) {
OperationOutcome oo = new OperationOutcome();
oo.addIssue().setSeverity(IssueSeverityEnum.FATAL).set