Remove NetworkPermissionConfig package

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

Bug: 223649084
Test: m
Merged-In: I96d60e60255f66b0356f04aeccac1d8eaed8c88b
(cherry picked from 6efe9ff82d354f27b10c4687d212bb77e1efccac)
Merged-In: I2c8ddf4737667a9be6cae559599211e71d4afe2b

Change-Id: Idefa84f401ed0882ee1a3b799bb66c665174a641
3 files changed
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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