InterpBreak cleanup (part 1)

Moved the suspend count variables from the interpBreak structure.  These
are already protected by a mutex, and we need the space in interpBreak
for additional subMode flags.  This CL just does the move and expands
the width of subMode to 16-bits.

Change-Id: I4a6070b1ba4fb08a0f6e0aba6f150b30f9159eed
26 files changed