This is intended to cover the edge case in ConstraintLayout (and possibly in other places) where an attribute is defined as reference|enum. If we can not resolve the value as a reference, try to resolve it as an enum and return the value. Change-Id: I2817aa5d78500247a2e9aec5411586a1db13791d (cherry picked from commit b24b563654bf7c007f0912bf32fbab948fcb6daa)
Layoutlib is a custom version of the android View framework designed to run inside Eclipse. The goal of the library is to provide layout rendering in Eclipse that are very very close to their rendering on devices. None of the com.android.* or android.* classes in layoutlib run on devices.