Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/5f6a33cc1d40
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #19986 from timdream/keyboard-switcher2

Bug 1020095 - Only removeFocus() for sheetstransitionstart event, r=rudyl

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https://hg.mozilla.org/integration/gaia-central/rev/97065ad8fc68
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 1020095 - removeFocus() for sheetstransitionstart event instead of hideKeyboard()
Bumping manifests a=b2g-bump