Simple code clarity changes

Test: N/A
Bug: N/A
Change-Id: I2c11ef703856c158b48329dbef6485196cfc1d43
diff --git a/services/camera/virtualcamera/VirtualCameraRenderThread.cc b/services/camera/virtualcamera/VirtualCameraRenderThread.cc
index ff09256..08b8e17 100644
--- a/services/camera/virtualcamera/VirtualCameraRenderThread.cc
+++ b/services/camera/virtualcamera/VirtualCameraRenderThread.cc
@@ -833,8 +833,8 @@
 
   Rect viewportRect =
       viewport.value_or(Rect(framebuffer.getWidth(), framebuffer.getHeight()));
-  glViewport(viewportRect.leftTop().x, viewportRect.leftTop().y,
-             viewportRect.getWidth(), viewportRect.getHeight());
+  glViewport(viewportRect.left, viewportRect.top, viewportRect.getWidth(),
+             viewportRect.getHeight());
 
   sp<GraphicBuffer> textureBuffer = mEglSurfaceTexture->getCurrentBuffer();
   if (textureBuffer == nullptr) {
diff --git a/services/camera/virtualcamera/VirtualCameraSessionContext.cc b/services/camera/virtualcamera/VirtualCameraSessionContext.cc
index 284ad05..aab2d0d 100644
--- a/services/camera/virtualcamera/VirtualCameraSessionContext.cc
+++ b/services/camera/virtualcamera/VirtualCameraSessionContext.cc
@@ -129,7 +129,8 @@
           streamId);
     return std::optional<Stream>();
   }
-  return {it->second->getStreamConfig()};
+  VirtualCameraStream& stream = *it->second;
+  return {stream.getStreamConfig()};
 }
 
 std::shared_ptr<AHardwareBuffer> VirtualCameraSessionContext::fetchHardwareBuffer(
@@ -141,7 +142,8 @@
           streamId);
     return nullptr;
   }
-  return it->second->getHardwareBuffer(bufferId);
+  VirtualCameraStream& stream = *it->second;
+  return stream.getHardwareBuffer(bufferId);
 }
 
 std::shared_ptr<EglFrameBuffer>
@@ -154,7 +156,8 @@
           streamId);
     return nullptr;
   }
-  return it->second->getEglFrameBuffer(eglDisplay, bufferId);
+  VirtualCameraStream& stream = *it->second;
+  return stream.getEglFrameBuffer(eglDisplay, bufferId);
 }
 
 std::set<int> VirtualCameraSessionContext::getStreamIds() const {