As a system_ext app is using the flags, the flags must be in the
system_ext container instead of the system container.
Bug: 385213580
Test: "adb shell aflags list" must not be changed.
Flag: EXEMPT refactor
Change-Id: I46123b93909acc1e1b2e84ac4fe7898ed5243fc5
Flag: com.android.settings.connectivity.ethernet_settings
Adding an aconfig flag for Ethernet Settings CUJs as defined in
go/al-ethernet-prd
Bug: b/384375770
Change-Id: I028e4ac1038416b720fa8872301f50c65f1d4a5f