Don't log meaningless caps change

The VPN events rotate very fast because the NC's estimate
of the bandwidth change a lot. Don't print these changes.

Test: manual
Bug: 238696406
(cherry picked from https://android-review.googlesource.com/q/commit:7ffb9b402c27163eba3d5193b4f9160e2929f9cf)
Merged-In: I70f0393fad90f43f827b94ac6bee236dff723b97
Change-Id: I70f0393fad90f43f827b94ac6bee236dff723b97
1 file changed