Fixed crash when retry data setup

When network suggests retry, the original
associated network requests were not properly
populated in the retry entry, which caused crash
when retry happens.

Bug: 213587285
Test: Manual & atest DataNetworkControllerTest DataRetryManagerTest
Change-Id: I3f0f3033c0b32df96a9620040e04a1c034f8c42b
Merged-In: I3f0f3033c0b32df96a9620040e04a1c034f8c42b