Fix HandlerError TOC link.
Fix HandlerError TOC link.

Signed-off-by: Dave Smith <bb533b618e78082aeb4dd41165d312e7410457ee@google.com>
Change-Id: Iaee222ff75457a0d09946bf1155668a6782f1791

actions-on-google/local-home-sdk,actions-on-google/local-home-sdk,actions-on-google/local-home-sdk