Revert "Replace the usage of UidRange"
Revert "Add shims for NetworkRequest"
Revert submission 1626206-replaceUidRange
Reason for revert: Breaking build - b/183106405
Reverted Changes:
I0b79c73e8:Add shims for NetworkRequest
I4bc0daf5a:Replace the usage of UidRange
I4e5aec6ef:Replace the usage of UidRange
I107c329d4:Expose uids related APIs in NetworkRequest and Net...
Change-Id: I5a4addc562d180487e2891fd2081c593126e6ffc