Add shell permissions for CTS testing

Add NETWORK_SCAN to shell permissions to enable CTS testing of the
network scan changes

Bug: 126779616
Test: CTS
Change-Id: I1f75c9005620b3b0e06f066677cba6190f1d266c
Merged-In: I1f75c9005620b3b0e06f066677cba6190f1d266c
2 files changed