Inline two short methods from Conscrypt

We're trying to reduce unnecessary direct dependencies on Conscrypt.
These two methods are simple and the implementations can't change, so
they're good candidates for inlining directly instead of depending on
the Conscrypt implementation.

Bug: 110404540
Test: atest NetworkSecurityConfigTests (same failures pre/post)
Change-Id: I303d955e3f49885326fe75f451c06a52af745053