Reset the dynamic set denylist after reboot the device

Reset the uids which are set into the POLICY_REJECT_METERED_BACKGROUND
from the dynamic configured mechanism, rather than set by users
manually, to avoid it still take effect after rebooting the device.

Bug: 306329984
Test: make -j64 RunSettingsRoboTests ROBOTEST_FILTER="com.android.settings.fuelgauge"
Change-Id: Idc0c21350cad7e48e6a5c7190565d5364236c2cd