drm_hwcomposer: Enable readability-static-accessed-through-instance

... and fix the following warning:

hwc3/ComposerClient.cpp:1326:19: error: static member accessed through
   instance [readability-static-accessed-through-instance]

Change-Id: Ia52431259d45d9400f4e7dc6626e20a203612500
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
diff --git a/hwc3/ComposerClient.cpp b/hwc3/ComposerClient.cpp
index 13371fc..f067147 100644
--- a/hwc3/ComposerClient.cpp
+++ b/hwc3/ComposerClient.cpp
@@ -1279,7 +1279,7 @@
                                               int64_t layer_id,
                                               const Buffer& buffer,
                                               HwcLayer::Buffer* out_buffer) {
-  auto releaser = composer_resources_->CreateResourceReleaser(true);
+  auto releaser = ComposerResources::CreateResourceReleaser(true);
   auto err = composer_resources_->GetLayerBuffer(display_id, layer_id, buffer,
                                                  &out_buffer->buffer_handle,
                                                  releaser.get());
@@ -1306,7 +1306,7 @@
   damage_regions.rects = regions.data();
 
   buffer_handle_t imported_buffer = nullptr;
-  auto buf_releaser = composer_resources_->CreateResourceReleaser(true);
+  auto buf_releaser = ComposerResources::CreateResourceReleaser(true);
 
   auto error = composer_resources_->GetDisplayClientTarget(display_id,
                                                            command.buffer,
@@ -1338,7 +1338,7 @@
   }
 
   buffer_handle_t imported_buffer = nullptr;
-  auto buf_releaser = composer_resources_->CreateResourceReleaser(true);
+  auto buf_releaser = ComposerResources::CreateResourceReleaser(true);
 
   auto error = composer_resources_->GetDisplayOutputBuffer(display_id, buffer,
                                                            &imported_buffer,