ANDROID: dma-buf: Add vendor hook for deferred dmabuf sysfs stats release

This vendor hook allows for the sysfs activity associated with
dma-buf-sysfs-stats teardowns to be performed asynchronously similar
to how the initialization works.

Bug: 254192604
Signed-off-by: T.J. Mercier <tjmercier@google.com>
Change-Id: Ie076d0f8f67b96a97c71d9e6bf90539ebd9807bf
(cherry picked from commit 549f6fcc90a8a3a2640805bf1753de21a074c17f)

drivers/dma-buf/dma-buf-sysfs-stats.c

@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/sysfs.h>
 #include <linux/workqueue.h>
+#include <trace/hooks/dmabuf.h>
 
 #include "dma-buf-sysfs-stats.h"
 
@@ -122,13 +123,17 @@ static const struct kobj_type dma_buf_ktype = {
 void dma_buf_stats_teardown(struct dma_buf *dmabuf)
 {
 	struct dma_buf_sysfs_entry *sysfs_entry;
+	bool skip_sysfs_release = false;
 
 	sysfs_entry = dmabuf->sysfs_entry;
 	if (!sysfs_entry)
 		return;
 
-	kobject_del(&sysfs_entry->kobj);
-	kobject_put(&sysfs_entry->kobj);
+	trace_android_rvh_dma_buf_stats_teardown(sysfs_entry, &skip_sysfs_release);
+	if (!skip_sysfs_release) {
+		kobject_del(&sysfs_entry->kobj);
+		kobject_put(&sysfs_entry->kobj);
+	}
 }