[Output Only] The Cloud Armor tier for this project. It can be one
of the following values: CA_STANDARD, CA_ENTERPRISE_PAYGO. If this
field is not specified, it is assumed to be CA_STANDARD.
Values:
UNDEFINED_CLOUD_ARMOR_TIER (0):
A value indicating that the enum field is not
set.
CA_ENTERPRISE_ANNUAL (219921116):
Enterprise tier protection billed annually.
CA_ENTERPRISE_PAYGO (453530323):
Enterprise tier protection billed monthly.
CA_STANDARD (13156734):
Standard protection.
