Invalidate dst caches when changing network permissions.

Bug: 64103722
Test: builds
Test: connected socket UDP traffic switches to wifi when cell goes into background
Change-Id: I22e618be40d61be6d5f56a6fc4e5a71e1606c2f8
Merged-In: I22e618be40d61be6d5f56a6fc4e5a71e1606c2f8
(cherry picked from commit 639696d77d19edb8298a21500b9fe1d101ec0b62)
3 files changed