Bumping gaia.json for 9 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-2_0/rev/1f1ba6183c44
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24279 from shamenchens/Bug1043884-ContactsScrollbarOverlay

Bug 1043884 - Fix contacts scrollbar overlay shows empty content when click

========

https://hg.mozilla.org/integration/gaia-2_0/rev/206f32349e2d
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug 1043884 - Fix contacts scrollbar overlay shows empty content when click it

========

https://hg.mozilla.org/integration/gaia-2_0/rev/480b5fc9bee2
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25489 from mancas/bug1081243_v2.0

Bug 1081243 - [Downloads] A recently download file can not be open. Patc...

========

https://hg.mozilla.org/integration/gaia-2_0/rev/534a95f95462
Author: Manuel Casas Barrado <manuel.casasbarrado@telefonica.com>
Desc: Bug 1081243 - [Downloads] A recently download file can not be open. Patch v2.0

========

https://hg.mozilla.org/integration/gaia-2_0/rev/cb7171857a00
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 1085380 - First activity is not killed after the second one started

========

https://hg.mozilla.org/integration/gaia-2_0/rev/bda469d85a85
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25313 from cctuan/1075353-v20

Bug 1075353 - 1st inline activity is not killed before the second inline activity comes.

========

https://hg.mozilla.org/integration/gaia-2_0/rev/621adbf49fa4
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 1075353 - 1st inline activity is not killed before the second inline activity comes.

========

https://hg.mozilla.org/integration/gaia-2_0/rev/a09a739e0b77
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 1032068 - Maintain id pool of activity chaining instances to keep only one chaining

========

https://hg.mozilla.org/integration/gaia-2_0/rev/18a52af74551
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1004985 - Close screenshot notification when user responds to it. r=timdream
Bumping manifests a=b2g-bump