Set the correct size to the container of icon view

Wrong container size causes some icon to be cropped. Set the icon size specified by spec as the container size to correct it.

Bug: 228928242
Bug: 229954549
Test: Manual resize the split and check the icon on both phone and large
      screen device.
      Manual drag to split and check the icon on both phone and large
      screen device.
Change-Id: I556f2c1a44852439242a16a6216121036b8aed5e