Colors are in the [0..1] range, not [0..255]

This fixes rendering in YouTube and other applications.

Change-Id: Ib5f3df632cde97374113ed42f895f136b2796373
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 46fdc31..72c8950 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -849,9 +849,9 @@
 void OpenGLRenderer::setupDrawColor(int color) {
     mColorA = ((color >> 24) & 0xFF) / 255.0f;
     const float a = mColorA / 255.0f;
-    mColorR = mColorA * ((color >> 16) & 0xFF);
-    mColorG = mColorA * ((color >>  8) & 0xFF);
-    mColorB = mColorA * ((color      ) & 0xFF);
+    mColorR = a * ((color >> 16) & 0xFF);
+    mColorG = a * ((color >>  8) & 0xFF);
+    mColorB = a * ((color      ) & 0xFF);
     mColorSet = true;
     mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA);
 }