Resolving buffer operand of linalg.view doesnt have the information

Resolving buffer operand of linalg.view doesnt have the information
about the buffer size. This is needed to resolve the operand
correctly. Add that information to view op
serialization/deserialization

Also modify the parsing of buffer type by splitting at 'x' to
side-step issues with StringRef number parsing.

PiperOrigin-RevId: 256188319