Bug 1326230 - Fix space-infix-ops ESLint error in...

Bug 1326230 - Fix space-infix-ops ESLint error in browser_addons_debug_info.js. r=eslint-fix a=eslint-fix

MozReview-Commit-ID: 5BJck3p94Uq

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extra : amend_source : deb64ffb72ed5987396d0ec958d3244824af99c1
extra : transplant_source : %26%B0%98%92K%0A%00%81%04%E4%82F%DD%27%16k%AB%2C%DE%C5