Refactor the methods to make names shorter

Renamed addUnsignedIndeterminateIntImm to addUnsignedIndeterminate.
Renamed addTwosComplementUnsignedIndeterminateIntImm to
addTwosCompUnsignedIndeterminate.

Bug: 293811969
Test: TH
Change-Id: I14d933219b4894d392412e5fc5a8186b3dccaa3c
1 file changed