Add @UnsupportedAppUsage annotations

For packages:
  android.security.net.config
  android.security.keystore
  android.security.keymaster
  android.security

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Change-Id: I7762dd647bede8abc9be2c538af3a3a99a25a73e