Bug 891807 - @1.5x assets are required for system app
Merge pull request #11035 from cctuan/system-image

Bug 891807 - @1.5x assets are required for system app
Bug 883819 - Use 90@1x icon as 60@1.5x icon for now
Merge pull request #11160 from timdream/fix-icon-selection-dppx

Bug 883819 - Use 90@1x icon as 60@1.5x icon for now, r=crdlc
Bug 893171 - Only prompt error message when error name is NO_PROVIDER
Merge pull request #11162 from dominickuo/bug-893171

Bug 893171 - Only prompt error message when error name is NO_PROVIDER, r=dkuo
Bug 881152 - update pdf.js in Gaia to 0.8.352 for hdpi resolution support.