Invoke Vulkan initialize earlier

Invoke VulkanManager::initialize as soon as the RenderThread is
started. This reduces time spent in the first call to
CanvasContext::setSurface by ~20ms.

Test: Ran Hermetic Startup: EmptyActivity
BUg: 122659224
Change-Id: Ifa160b0b0bbe43adc82f061fac51082878164804

libs/hwui/renderthread/RenderThread.cpp

@@ -171,6 +171,9 @@ void RenderThread::initThreadLocals() {
     mRenderState = new RenderState(*this);
     mVkManager = new VulkanManager(*this);
     mCacheManager = new CacheManager(mDisplayInfo);
+    if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) {
+        mVkManager->initialize();
+    }
 }
 
 void RenderThread::requireGlContext() {