Convert ColorUtilTest to Kotlin (#38979)

Summary:
Converts ColorUtilTest to kotlin as requested in #38825

## Changelog:

[INTERNAL] [CHANGED] - Convert ColorUtilTest to Kotlin

Pull Request resolved: #38979

Test Plan:
1. Run `./gradlew :packages:react-native:ReactAndroid:test`.
2. All tests should pass.

Reviewed By: fkgozali, cortinico, arushikesarwani94

Differential Revision: D48802302

Pulled By: mdvacca

fbshipit-source-id: 876caf288bd5df1e1fdc4b0b20b41afdfacf364f

packages/react-native/ReactAndroid/src/test/java/com/facebook/react/views/view/ColorUtilTest.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+
+package com.facebook.react.views.view
+
+import android.graphics.PixelFormat
+import junit.framework.TestCase.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+
+/** Based on Fresco's DrawableUtilsTest (https://github.com/facebook/fresco). */
+@RunWith(RobolectricTestRunner::class)
+class ColorUtilTest {
+  @Test
+  fun testMultiplyColorAlpha() {
+    assertEquals(0x00123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 0))
+    assertEquals(0x07123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 10))
+    assertEquals(0x96123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 200))
+    assertEquals(0xC0123456U.toInt(), ColorUtil.multiplyColorAlpha(0xC0123456U.toInt(), 255))
+  }
+
+  @Test
+  fun testGetOpacityFromColor() {
+    assertEquals(PixelFormat.TRANSPARENT, ColorUtil.getOpacityFromColor(0x00000000))
+    assertEquals(PixelFormat.TRANSPARENT, ColorUtil.getOpacityFromColor(0x00123456))
+    assertEquals(PixelFormat.TRANSPARENT, ColorUtil.getOpacityFromColor(0x00FFFFFF))
+    assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0000000.toInt()))
+    assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0123456.toInt()))
+    assertEquals(PixelFormat.TRANSLUCENT, ColorUtil.getOpacityFromColor(0xC0FFFFFF.toInt()))
+    assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFF000000.toInt()))
+    assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFF123456.toInt()))
+    assertEquals(PixelFormat.OPAQUE, ColorUtil.getOpacityFromColor(0xFFFFFFFF.toInt()))
+  }
+
+  @Test
+  fun testNormalize() {
+    assertEquals(0x800B1621U.toInt(), ColorUtil.normalize(11.0, 22.0, 33.0, 0.5))
+    assertEquals(0x00000000U.toInt(), ColorUtil.normalize(0.0, 0.0, 0.0, 0.0))
+    assertEquals(0xFFFFFFFFU.toInt(), ColorUtil.normalize(255.0, 255.0, 255.0, 1.0))
+    assertEquals(0xFF00FFFFU.toInt(), ColorUtil.normalize(-1.0, 256.0, 255.0, 1.1))
+    assertEquals(0x000001FFU.toInt(), ColorUtil.normalize(0.4, 0.5, 255.4, -1.0))
+  }
+}