Special retry back-off timer in call setup failure.

RIL might specify a special retry back-off timer only used for
temporary in a certain error scenario. This patch will be adding
new handling of "retry" override so RIL specified retry timer
can be used instead of the pre-configured one.

Bug: 4723641
Change-Id: Ia4784f022a029c79b35c4c4c01ad7e49efd56a3c
4 files changed