Cleanup initialization of GrContext.

Update GrContext options and setup the cache sizes to be based on
the size of the display and not the current default value of 255MB.

Test: atest librenderengine_test
Bug: 183391755
Change-Id: I5be8d6fc54c31f0e2d1c44968284ad772866d6ab
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 6a91c7c..783e37f 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -332,6 +332,21 @@
     return resultFuture.get();
 }
 
+void RenderEngineThreaded::onPrimaryDisplaySizeChanged(ui::Size size) {
+    std::promise<void> resultPromise;
+    std::future<void> resultFuture = resultPromise.get_future();
+    {
+        std::lock_guard lock(mThreadMutex);
+        mFunctionCalls.push([&resultPromise, size](renderengine::RenderEngine& instance) {
+            ATRACE_NAME("REThreaded::onPrimaryDisplaySizeChanged");
+            instance.onPrimaryDisplaySizeChanged(size);
+            resultPromise.set_value();
+        });
+    }
+    mCondition.notify_one();
+    resultFuture.wait();
+}
+
 } // namespace threaded
 } // namespace renderengine
 } // namespace android