[SM15.2] Remove loop when generating traffic over data connection

This is not needed, since the issue in StatsPullAtomService is
fixed in counter-part change.

Test: atest android.cts.statsd.atom.UidAtomTests#testMobileBytesTransfer
Test: atest android.cts.statsd.atom.UidAtomTests#testMobileBytesTransferByFgBg
Bug: 153174569
Change-Id: Ia0eaeb68183ff5de8936011fbacab177fa3a7d9a
1 file changed