Move RCS table creation flag to contract class

This will allow access to the flag outside of the test package. In
particular, we can now use this flag to disable the relevant CTS tests
when RCS tables are not created.

Test: Manually ensured the flag works using CtsRcsTestCases
Change-Id: I995f38c83d52c3a23131f223a550cf71e59b9cba
1 file changed