Remove GLES2.functional.dither.disable.gradient.* tests from mustpass

Change-Id: I982b71397a3792f2cd0107cc394763a1d0acc4f5
diff --git a/android/cts/master/com.drawelements.deqp.gles2.xml b/android/cts/master/com.drawelements.deqp.gles2.xml
index 00ab430..235485c 100644
--- a/android/cts/master/com.drawelements.deqp.gles2.xml
+++ b/android/cts/master/com.drawelements.deqp.gles2.xml
@@ -39907,21 +39907,6 @@
 			</TestSuite>
 			<TestSuite name="dither">
 				<TestCase name="disabled">
-					<Test name="gradient_white">
-						<TestInstance glconfig="rgba8888d24s8ms0" rotation="unspecified" surfacetype="window"/>
-					</Test>
-					<Test name="gradient_red">
-						<TestInstance glconfig="rgba8888d24s8ms0" rotation="unspecified" surfacetype="window"/>
-					</Test>
-					<Test name="gradient_green">
-						<TestInstance glconfig="rgba8888d24s8ms0" rotation="unspecified" surfacetype="window"/>
-					</Test>
-					<Test name="gradient_blue">
-						<TestInstance glconfig="rgba8888d24s8ms0" rotation="unspecified" surfacetype="window"/>
-					</Test>
-					<Test name="gradient_alpha">
-						<TestInstance glconfig="rgba8888d24s8ms0" rotation="unspecified" surfacetype="window"/>
-					</Test>
 					<Test name="unicolored_quad_white">
 						<TestInstance glconfig="rgba8888d24s8ms0" rotation="unspecified" surfacetype="window"/>
 					</Test>
diff --git a/android/cts/master/gles2-master.txt b/android/cts/master/gles2-master.txt
index 4fa9c32..338ae93 100644
--- a/android/cts/master/gles2-master.txt
+++ b/android/cts/master/gles2-master.txt
@@ -12975,11 +12975,6 @@
 dEQP-GLES2.functional.depth_range.compare.clamp_near
 dEQP-GLES2.functional.depth_range.compare.clamp_far
 dEQP-GLES2.functional.depth_range.compare.clamp_both
-dEQP-GLES2.functional.dither.disabled.gradient_white
-dEQP-GLES2.functional.dither.disabled.gradient_red
-dEQP-GLES2.functional.dither.disabled.gradient_green
-dEQP-GLES2.functional.dither.disabled.gradient_blue
-dEQP-GLES2.functional.dither.disabled.gradient_alpha
 dEQP-GLES2.functional.dither.disabled.unicolored_quad_white
 dEQP-GLES2.functional.dither.disabled.unicolored_quad_red
 dEQP-GLES2.functional.dither.disabled.unicolored_quad_green
diff --git a/android/cts/master/src/gles2-test-issues.txt b/android/cts/master/src/gles2-test-issues.txt
index 64c31d8..9dd54a2 100644
--- a/android/cts/master/src/gles2-test-issues.txt
+++ b/android/cts/master/src/gles2-test-issues.txt
@@ -1,3 +1,10 @@
 # Bug 22665757
 dEQP-GLES2.functional.fbo.completeness.renderable.renderbuffer.color0.rgb16f
 dEQP-GLES2.functional.fbo.completeness.renderable.texture.color0.rgb16f
+
+# Bug 23219552
+dEQP-GLES2.functional.dither.disabled.gradient_white
+dEQP-GLES2.functional.dither.disabled.gradient_red
+dEQP-GLES2.functional.dither.disabled.gradient_green
+dEQP-GLES2.functional.dither.disabled.gradient_blue
+dEQP-GLES2.functional.dither.disabled.gradient_alpha