Fixing missing punctuation for punctuation search case.

Previous CL I9cbdf10d21c79f53bc621bacb7eeeb95a6a2435f fixed missing
punctuation at the start when searching without punctuation. (e.g.
{hello})

This CL fixes the case where leading punctuation is missing if you searched
with a leading punctuation. (e.g. {'hello}).  The content provider
uses a different code path when it detects multi-words and snippeting
is actually done in sqlite using the FTS snippet method. The check for
multi-word was treating {'hello} as two words.

This means that multi-word searches will still have this issue as it still
uses the sqlite snippet method.  Leaving this to a separate CL since it's
a riskier change.

Bug: 5929143
Change-Id: I1883621bb64452726cd92035d30001c29b478574
6 files changed