Replaced send broadcast with user aware version

When device is running in HSUM mode, clients might be running
as a different user than system user. The broadcast needs to send
to all users to ensure both system and current user can receive it.

Bug: 362554272
Test: Manually test in HSUM devices
Test: atest FrameworksTelephonyTests
Flag: com.android.internal.telephony.flags.hsum_broadcast
Change-Id: I53fe535355ac7191ba499ac4d100b6c32f86bebd