Add ingress rate limit to developer settings

Test: make -j64 RunSettingsRoboTests
ROBOTEST_FILTER="com.android.settings.development.IngressRateLimitPreferenceControllerTest"
Bug: 157552970
Bug: 122993151

Change-Id: I0d0aa40610016c1f9e94596cfe3ed6c9a0614d89
Merged-In: I0d0aa40610016c1f9e94596cfe3ed6c9a0614d89
(cherry picked from commit b0e5e84d49567e5a7e4c9fa7ca9695f0b6e52bf9)
6 files changed