Wire-up default force-dark based off of isLightTheme

Bug: 102591313
Test: Compared settings in light & dark UI modes with
force_dark set to true. Observed that force_dark fixes
were not present when UI mode was set to dark, indicating
force_dark was appropriately globally-disabled

Change-Id: I5882829bb5871829fc8fc9911682f52a6ba5f445
diff --git a/libs/hwui/TreeInfo.cpp b/libs/hwui/TreeInfo.cpp
new file mode 100644
index 0000000..808a12a
--- /dev/null
+++ b/libs/hwui/TreeInfo.cpp
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "TreeInfo.h"
+
+#include "renderthread/CanvasContext.h"
+
+namespace android::uirenderer {
+
+TreeInfo::TreeInfo(TraversalMode mode, renderthread::CanvasContext& canvasContext)
+        : mode(mode)
+        , prepareTextures(mode == MODE_FULL)
+        , canvasContext(canvasContext)
+        , disableForceDark(canvasContext.useForceDark() ? 0 : 1) {}
+
+}  // namespace android::uirenderer