Make NETWORK_RELEASE_TIMEOUT_MILLIS configurable by carrier

Bug: 238853167
Test: atest com.android.mms.service.MmsNetworkManagerTest

Merged-In: If96083a8491cacb9fa77131213d6408cfe2d2458
Change-Id: If96083a8491cacb9fa77131213d6408cfe2d2458
2 files changed