Merge "Add check for \'.end-content-title\' to force the end of content section in an accordion. Fixes js error on mobile when the footer is appended inside of a content section. am: 85b7df26 am: e468c238 am: 5a00e9d3 am: 0a6d5112 am: 11212a48" into nyc-mr1-dev-plus-aosp