Don't record network name in metrics log

When user manually selects a cellular network, don't record network
name in metrics logs.

Bug: 65412783
Test: manual
Change-Id: Idc11fb8ccf419e7993c0f3c317536161e10818e4
Merged-In: Idc11fb8ccf419e7993c0f3c317536161e10818e4
2 files changed