Don't allow importing contacts to accounts passed in by intent unless it is...

Don't allow importing contacts to accounts passed in by intent unless it is valid am: c8c222bc am: 8c7f6ee2 am: 2134eeb0 am: 711cffaa am: 202cb05e am: d6b9d2c4 am: ad86f138 am: 91fd3332 am: 75a0bdc5 am: ab1ddfbb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Contacts/+/24309801



Change-Id: Ic97ff7eae0b6e579315a070f31f58f01cce42e4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>