Merge adaa12cd from honeycomb. do not merge.

LayoutLib: fix Capabilities and getDimensionPixelSize

Commented out a Capability that is not in ADT 10.

BridgeTypedArray.getDimensionPixelSize shouldn't call
getDimension since most of the code is duplicated, and
it prevents use from properly detecting malformed attribute
values.

Change-Id: I008334af605a89f240247a13c0024009247ec5af