Relax IPsec resource count restrictions.

IPsec resource counts were selected to be conservative, due to unknowns
about device capabilities. Since then, it appears that we no longer need
such stringent quotas, and this can be relaxed.

Bug: 152368091
Test: FrameworksNetTest passing
Change-Id: Id53d14e5698e5fcc410868424176b00350c7ae79
Merged-In: Id53d14e5698e5fcc410868424176b00350c7ae79
(cherry picked from commit 224699fc)