DELIA-18947 : Adding short and long retries for XCONF
DELIA-18947 : Adding short and long retries for XCONF

Reason for change: Increased server communication failures due to network glitches
Test Procedure: 1] Ensure 3 XCONF retries are happening in short interval in cases of
 communication errors initially
2] After 3 short retries, ensure next 3 retries are happening in a 1hr interval.
3] Regression test on XCONF on all platforms
Risks: Medium
Signed-off-by: skv01 <Shibu_KV@cable.comcast.com>

Change-Id: I3106b3951944a1bc94a0193c5c0f2f465e6ffb32

rdkcmf/rdk-sysint