Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/359db81e1a45
Author: Fernando Rodríguez Sela <frsela@tid.es>
Desc: Merge pull request #19112 from frsela/STK/Bug1007608

Bug 1007608 - [sora][PTCRB][STK]Case 27.22.4.9.4/1 failed in TS 51.010-4, r=arthur.chen

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https://hg.mozilla.org/integration/gaia-central/rev/b19dca29c903
Author: Fernando Rodriguez Sela <frsela@tid.es>
Desc: Bug 1007608 - [sora][PTCRB][STK]Case 27.22.4.9.4/1 failed in TS 51.010-4

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https://hg.mozilla.org/integration/gaia-central/rev/12a6a6e1fbb6
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #19066 from tdz/bug-1007657

Bug 1007657 - Support string constants in MozIccManager. r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/af3b95bf3179
Author: Thomas Zimmermann <tdz@users.sourceforge.net>
Desc: Bug 1007657: Support string constants in MozIccManager

Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net>

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https://hg.mozilla.org/integration/gaia-central/rev/fd3ccd9d86e4
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #19156 from azasypkin/bug-1008823-send-message-activity

Bug 1008823 - [Messages] Do not use activity to send message via "Send Message" action from unknown number context menu. r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/31bb3d46de02
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1008823 - [Messages] Do not use activity to send message via "Send Message" action from unknown number context menu. r=julien
Bumping manifests a=b2g-bump