Remove NetworkPermissionConfig package

Move declaration of MAINLINE_NETWORK_STACK permission from the
NetworkPermissionConfig package to the NetworkStack package.

Bug: 223649084
Test: m

(cherry picked from f2bf0335cd98fd1f9666e4aad82b0cb9efeda8da)
Merged-In: I7d0565d366892f18dfc510ccbbdbf1eab6f1932a
Merged-In: I1bb172919db1368e1b0a6560d63dc9e35686f89e

Change-Id: I2f8ac1a31b053803bf1b46b4cfcfbf297b8ebec3
1 file changed