Add elevation, Z properties to View

Change-Id: I3dd3b683a66e248a0fdf2ca69d1e962615b0daf9
diff --git a/libs/hwui/RenderProperties.cpp b/libs/hwui/RenderProperties.cpp
index a922db8..9ec7297 100644
--- a/libs/hwui/RenderProperties.cpp
+++ b/libs/hwui/RenderProperties.cpp
@@ -37,6 +37,7 @@
         , mProjectionReceiver(false)
         , mAlpha(1)
         , mHasOverlappingRendering(true)
+        , mElevation(0)
         , mTranslationX(0), mTranslationY(0), mTranslationZ(0)
         , mRotation(0), mRotationX(0), mRotationY(0)
         , mScaleX(1), mScaleY(1)
@@ -100,7 +101,7 @@
     if (hasTransformMatrix()) {
         if (isTransformTranslateOnly()) {
             ALOGD("%*sTranslate %.2f, %.2f, %.2f",
-                    level * 2, "", mPrimitiveFields.mTranslationX, mPrimitiveFields.mTranslationY, mPrimitiveFields.mTranslationZ);
+                    level * 2, "", getTranslationX(), getTranslationY(), getZ());
         } else {
             ALOGD("%*sConcatMatrix %p: " SK_MATRIX_STRING,
                     level * 2, "", mComputedFields.mTransformMatrix, SK_MATRIX_ARGS(mComputedFields.mTransformMatrix));