Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/e3b66a669da2
Author: Yi-Fan Liao <begeeben@gmail.com>
Desc: Revert "Bug 1059650 - [Browser]Back button stops working after clicking '+' icon multiple times"

This reverts commit e5b514a212b49013b7c18f31b7a7696a07cde13a.

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https://hg.mozilla.org/integration/gaia-2_0/rev/338fcbec2f7f
Author: Yi-Fan Liao <yliao@mozilla.com>
Desc: Merge pull request #26228 from begeeben/1059650_back_button_stops

Bug 1059650 - [Browser]Back button stops working after clicking '+' icon multiple times, r=Dale Harvey

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https://hg.mozilla.org/integration/gaia-2_0/rev/9eacf6616498
Author: Yi-Fan Liao <begeeben@gmail.com>
Desc: Bug 1059650 - [Browser]Back button stops working after clicking '+' icon multiple times

* Doesn't rely on 'mousedown' event to get the tab ID, use 'tap' event to select tab ID directly
Bumping manifests a=b2g-bump