Fix threading issues

void* RenderProxy::postAndWait(MethodInvokeRenderTask* task) {

    void* retval;

    task->setReturnPtr(&retval);

    mRenderThread.queueAndWait(task);

    SignalingRenderTask syncTask(task, &mSyncMutex, &mSyncCondition);

    AutoMutex _lock(mSyncMutex);

    mRenderThread.queue(&syncTask);

    mSyncCondition.wait(mSyncMutex);

    return retval;

}

    DrawFrameTask mDrawFrameTask;

    Mutex mSyncMutex;

    Condition mSyncCondition;

    void destroyContext();

    void post(RenderTask* task);

#include <gui/ISurfaceComposer.h>

#include <gui/SurfaceComposerClient.h>

#include <sys/resource.h>

#include <utils/Condition.h>

#include <utils/Log.h>

#include <utils/Mutex.h>

namespace android {

namespace uirenderer {

}

void RenderThread::queueAndWait(RenderTask* task) {

    SignalingRenderTask syncTask(task, &mSyncMutex, &mSyncCondition);

    AutoMutex _lock(mSyncMutex);

    // These need to be local to the thread to avoid the Condition

    // signaling the wrong thread. The easiest way to achieve that is to just

    // make this on the stack, although that has a slight cost to it

    Mutex mutex;

    Condition condition;

    SignalingRenderTask syncTask(task, &mutex, &condition);

    AutoMutex _lock(mutex);

    queue(&syncTask);

    mSyncCondition.wait(mSyncMutex);

    condition.wait(mutex);

}

void RenderThread::queueAtFront(RenderTask* task) {

#include <utils/Looper.h>

#include <utils/Thread.h>

#include <condition_variable>

#include <memory>

#include <mutex>

#include <set>

namespace android {

    nsecs_t mNextWakeup;

    TaskQueue mQueue;

    Mutex mSyncMutex;

    Condition mSyncCondition;

    DisplayInfo mDisplayInfo;