Fixed NetworkFactories being dumped twice

mNetworkFactory and mUntrustedNetworkFactory are being dumped twice. The
second time, potentially causing null exceptions.
Removed the second calls (were left over from bad rebase).

BUG=28530520

Change-Id: I3312ac83a7ea2d4027036ea85702caa74985753d
1 file changed
tree: dde54c9740d3f435223e7dff8c77126789ebc1b0
  1. service/