Bumping gaia.json for 7 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/486086a9c609
Author: Dave Hunt <dave.hunt@gmail.com>
Desc: Bug 1135721 - Modify test_that_device_info_is_populated to support running on devices with no SIM cards. r=gmealer

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https://hg.mozilla.org/integration/gaia-central/rev/315321fbf0d6
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Merge pull request #27915 from stasm/1101632-buildtime-qps

Bug 1101632 - Allow pseudolocales to be built on buildtime. r=rickychien r=gandalf

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https://hg.mozilla.org/integration/gaia-central/rev/75cd003e21ee
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Bug 1101632 - Allow pseudolocales to be built on buildtime. r=rickychien r=gandalf

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https://hg.mozilla.org/integration/gaia-central/rev/1e1adea89b15
Author: Guillaume C. Marty <gmarty@users.noreply.github.com>
Desc: Merge pull request #28302 from gmarty/Bug-1133402-Add-a-script-to-optimise-SVG-images-tool

Bug 1133402 - Add a script to optimise SVG images

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https://hg.mozilla.org/integration/gaia-central/rev/4e04d3889015
Author: Guillaume Marty <edo999@gmail.com>
Desc: Bug 1133402 - Add a script to optimise SVG images

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https://hg.mozilla.org/integration/gaia-central/rev/a7617a50e167
Author: Guillaume C. Marty <gmarty@users.noreply.github.com>
Desc: Merge pull request #28237 from gmarty/Bug-1133402-Add-a-script-to-optimise-SVG-images

Bug 1133402 - Optimise SVG assets

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https://hg.mozilla.org/integration/gaia-central/rev/dbaad5c4b512
Author: Guillaume Marty <edo999@gmail.com>
Desc: Bug 1133402 - Optimise SVG assets

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "9e2e3726ee5c0d96dadb97aee4607375aa274613", 
+        "git_revision": "2722edf0f20c4abfe101923035143cfd00ade5de", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "2b5e7ccd2599ea835063b16dd1251edac4611603", 
+    "revision": "486086a9c6092eeb4fe8e76c595233f8a2a21c54", 
     "repo_path": "integration/gaia-central"
 }