Code Health: Make OperationLimiter generic

Aosp/2071247 read an experimental flag max_queries_global in
OperationLimiter::start(), making the generic class OperationLimiter
specific. This commit adds a wrapper function to pass the global
limiter, allowing OperationLimiter to remain generic.

Bug: 230284143
Test: atest resolv_unit_test:OperationLimiterTest
Change-Id: I7b14ace9d27a87b3832e1c807d762850feeab5fe