Add visibility rule for migration.

Add paths to visibility needed for tests.
Soong allows specifying paths w/o validation.  Once the
migration is complete, we can remove the old path in
visibility rules.

BUG: 137323948
Test: TH
Merged-In: Ie94eaa8c39d9610777cffcd37eb2c6834f126245
Change-Id: Ica76da7da4b17cc22a077541070d4915acc7efab
Exempt-From-Owner-Approval: Migration CL
1 file changed