Remove use of SkColorSpace::Gamut enum

Get the gamut matrix from the color space, compare against sRGB/P3.

Test: Refactoring CL.
Change-Id: I9f5bcae8c1f637919ee9da892266ea882f16208c
diff --git a/libs/hwui/renderthread/EglManager.h b/libs/hwui/renderthread/EglManager.h
index 4dd9096..27d41d2 100644
--- a/libs/hwui/renderthread/EglManager.h
+++ b/libs/hwui/renderthread/EglManager.h
@@ -49,7 +49,7 @@
     bool hasEglContext();
 
     Result<EGLSurface, EGLint> createSurface(EGLNativeWindowType window, ColorMode colorMode,
-                                             SkColorSpace::Gamut colorGamut);
+                                             sk_sp<SkColorSpace> colorSpace);
     void destroySurface(EGLSurface surface);
 
     void destroy();