Merge commit '60e3c09ec0fa73a3e650f4aec89c763599c2e0b7' * commit '60e3c09ec0fa73a3e650f4aec89c763599c2e0b7': ADT/Layoutlib: implement radial gradient.
Merge commit '60e3c09ec0fa73a3e650f4aec89c763599c2e0b7' * commit '60e3c09ec0fa73a3e650f4aec89c763599c2e0b7': ADT/Layoutlib: implement radial gradient.