Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/db23eae83dad
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #23882 from cctuan/1059822

Bug 1059822 - [LockScreen] SIM pin request page in front of camera when rebooting, sim pin on and unlock to camera

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https://hg.mozilla.org/integration/gaia-central/rev/5fa7111813cf
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 1059822 - close simpindialog if lockscreen is unlocked to camera app

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https://hg.mozilla.org/integration/gaia-central/rev/cbeb5e680c59
Author: Yi-Fan Liao <yliao@mozilla.com>
Desc: Merge pull request #23657 from begeeben/1004329_returning_home

Bug 1004329 - [Flatfish][Homescreen] Returning home (landscape) from portrait app causes app icons to misalign/overlap, r=:crdlc

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https://hg.mozilla.org/integration/gaia-central/rev/f960f192936d
Author: Yi-Fan Liao <begeeben@gmail.com>
Desc: Bug 1004329 - [Flatfish][Homescreen] Returning home (landscape) from portrait app causes app icons to misalign/overlap

* Remove the window.matchMedia event handler which updates the width and height cache every time the orientation is changed to portrait.
Bumping manifests a=b2g-bump