Force the s4 to use highp for transforming to NDS

src/gpu/gl/GrGLCaps.cpp

Index: src/gpu/gl/GrGLCaps.cpp
diff --git a/src/gpu/gl/GrGLCaps.cpp b/src/gpu/gl/GrGLCaps.cpp
index 835c86b5fb811d58289e2cf4c7cfad7faa30199e..e1f3e1b0330215adf60948c7eb854f9aa172ef88 100644
--- a/src/gpu/gl/GrGLCaps.cpp
+++ b/src/gpu/gl/GrGLCaps.cpp
@@ -536,7 +536,8 @@ void GrGLCaps::initGLSL(const GrContextOptions& contextOptions,
     // from our GrTextureDomain processor.
     glslCaps->fCanUseAnyFunctionInShader = kImagination_GrGLVendor != ctxInfo.vendor();
 
-    glslCaps->fForceHighPrecisionNDSTransform = kARM_GrGLVendor == ctxInfo.vendor();
+    glslCaps->fForceHighPrecisionNDSTransform = kARM_GrGLVendor == ctxInfo.vendor() ||
+                                                kPowerVR54x_GrGLRenderer == ctxInfo.renderer();
 
     glslCaps->fVersionDeclString = get_glsl_version_decl_string(standard, glslCaps->fGLSLGeneration,
                                                                 fIsCoreProfile);