i.e. false for "we can't provide context", and true for
"we can provide context, even if there isn't any"

Still looks to me that there's a bug in the si-phonetic-dynamic
im (or something in the stack) that assumes that returning
false once means it will always return false and give up
for ever

fix indent while I'm at it

Change-Id: I6df7f2689101250c33318db1fac5ec1b3e340566