7643785aa8
Fixed various typos and minor errors in the HCE dev guide. Also added a note to clarify when CATEGORY_PAYMENT should be used vs CATEGORY_OTHER. Issue: 11991294 Change-Id: Ifa3f30fe5f35715a4cea3f3565b6f3771f44814a Signed-off-by: Trevor Johns <trevorjohns@google.com>