NIAP: Try to compute data if use keystore function fail

Sometimes, will get some exception from keystore, then we get compute
fail and next time will pass if try it again. Add retry for computing
data if we get exception from keystore.

Bug: 148758680
Test: m
Change-Id: I151dfe931aa80a0c9563d059b218ddfe37f653b2
Merged-In: I151dfe931aa80a0c9563d059b218ddfe37f653b2