Check for property immutability in rsrc update

This patch adds check during resource update that the updated property
is not `immutable`. Otherwise update raises NotSupported error and
resource update fails.

Change-Id: I91019cb34adfcbe67d8c802d4ce1ff7702656a7c
Implements: blueprint implement-aws-updates-not-supported
Merge "Check for property immutability in rsrc update"