Fix mixed samples stencil clip

src/gpu/gl/GrGLRenderTarget.cpp

Index: src/gpu/gl/GrGLRenderTarget.cpp
diff --git a/src/gpu/gl/GrGLRenderTarget.cpp b/src/gpu/gl/GrGLRenderTarget.cpp
index d4585f6402f926441d3893b632c1c1ebcaafe005..2c15887259de86a426e30ec78255589e520e39f1 100644
--- a/src/gpu/gl/GrGLRenderTarget.cpp
+++ b/src/gpu/gl/GrGLRenderTarget.cpp
@@ -34,10 +34,11 @@ GrGLRenderTarget::GrGLRenderTarget(GrGLGpu* gpu, const GrSurfaceDesc& desc, cons
 }
 
 void GrGLRenderTarget::init(const GrSurfaceDesc& desc, const IDDesc& idDesc) {
-    fRTFBOID                = idDesc.fRTFBOID;
-    fTexFBOID               = idDesc.fTexFBOID;
-    fMSColorRenderbufferID  = idDesc.fMSColorRenderbufferID;
-    fRTLifecycle            = idDesc.fLifeCycle;
+    fRTFBOID                       = idDesc.fRTFBOID;
+    fTexFBOID                      = idDesc.fTexFBOID;
+    fMSColorRenderbufferID         = idDesc.fMSColorRenderbufferID;
+    fRTLifecycle                   = idDesc.fLifeCycle;
+    fHasCoCenteredSamplesTimestamp = GrGpu::kExpiredTimestamp;
 
     fViewport.fLeft   = 0;
     fViewport.fBottom = 0;