Layers UBO

[felixpalmer]

For #8997

Background

Change List

• Make XXXUniformProps types required
• Remove setUniforms calls
• Port ArcLayer
• Port ColumnLayer
• Port GridCellLayer
• Port IconLayer
• Port LineLayer
• Port PathLayer
• Port PointCloudLayer
• Port SolidPolygonLayer
• Port MultiIconLayer
• Port TextBackgroundLayer

[coveralls]

coverage: 89.273% (+0.02%) from 89.253%
when pulling 212100e on felix/layers-ubo
into f8723cb on master.

[coveralls]

coverage: 89.28% (+0.03%) from 89.253%
when pulling 3b0194a on felix/layers-ubo
into f8723cb on master.

[coveralls]

coverage: 89.3% (+0.05%) from 89.253%
when pulling 2fe0fb5 on felix/layers-ubo
into f8723cb on master.

[ibgreen]

Nice progress!

[coveralls]

coverage: 89.301% (+0.05%) from 89.253%
when pulling fb38a60 on felix/layers-ubo
into 7fa86b4 on master.