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

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https://hg.mozilla.org/integration/gaia-1_4/rev/e0ccea668737
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #23179 from weigao123/Bug1054911-v1.4

Bug 1054911 - [v1.4] Use the last used sim to resend failed sms. r=steveck-chung

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https://hg.mozilla.org/integration/gaia-1_4/rev/fa811100b055
Author: wei.gao <wei.gao@spreadtrum.com>
Desc: Bug 1054911 - [v1.4] Use the last used sim to resend failed sms
Bumping manifests a=b2g-bump
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_4/rev/29f49512366c
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #22983 from sergi/BUG_1014262_1.4

Airplane mode icon in status bar is not responsive (uplifting to v1.4)

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https://hg.mozilla.org/integration/gaia-1_4/rev/febddb1da58f
Author: Sergi Mansilla <sergi.mansilla@gmail.com>
Desc: Bug 1014262 - Airplane mode icon in status bar is not responsive
Bumping manifests a=b2g-bump