Merge "Return to previous RenderEngine behavior for protected buffers" into sc-dev

    if (mRenderEngineType != RenderEngineType::SKIA_GL_THREADED) {

        return;

    }

    // we currently don't attempt to map a buffer if the buffer contains protected content

    // because GPU resources for protected buffers is much more limited.

    // We currently don't attempt to map a buffer if the buffer contains protected content

    // or we are using a protected context because GPU resources for protected buffers is

    // much more limited.

    const bool isProtectedBuffer = buffer->getUsage() & GRALLOC_USAGE_PROTECTED;

    if (isProtectedBuffer) {

    if (isProtectedBuffer || mInProtectedContext) {

        return;

    }

    ATRACE_CALL();

    // bound context if we are not already using the protected context (and subsequently switch

    // back after the buffer is cached).

    auto grContext = getActiveGrContext();

    auto& cache = mInProtectedContext ? mProtectedTextureCache : mTextureCache;

    auto& cache = mTextureCache;

    std::lock_guard<std::mutex> lock(mRenderingMutex);

    mGraphicBufferExternalRefs[buffer->getId()]++;