sap: validate country code while turning on SAP

While turning on SAP, check for a valid country code specifically
it should not be null or an empty string. This ensures SAP to come
up on a valid regulatory domain.

CRs-Fixed: 1061063
Change-Id: Ia949d600676c4084790ee178d503881beef12a8f
1 file changed
tree: 5d1eba34acd670c24cc541e7b5639ca4c1c4dd9f
  1. service/
  2. tests/