Fix pro-guard rules for service-nearby

(clean cherry-pick of downstream change)

Test: build and check classes in service-connectivity.jar.
Bug: 217115866
Merged-In: I9f7db4509bf8fe736f5d9fc08b164a20b2274aa8
Change-Id: Ia97b7ab645e3425780b335c699b57a6dc7589f2a
1 file changed