Check the the reason of the subscribe request to deter whether client should...

Check the the reason of the subscribe request to deter whether client should retry or not. am: 470c9b3c am: 086d0c64 am: 2fea570c

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ims/+/1708316

Change-Id: I5e9d8add20b158f959d1f2357e71b9dd8ddc93b2