lxc: Mount DMA-BUF Heaps

Closes: #1813

tools/actions/container_manager.py

@@ -91,6 +91,8 @@ def set_permissions(args, perm_list=None, mode="777"):
         perm_list.extend(glob.glob("/dev/fb*"))
         # Videos
         perm_list.extend(glob.glob("/dev/video*"))
+        # DMA-BUF Heaps
+        perm_list.extend(glob.glob("/dev/dma_heap/*"))
 
     for path in perm_list:
         chmod(path, mode)

tools/helpers/lxc.py

@@ -64,6 +64,8 @@ def generate_nodes_lxc_config(args):
         make_entry(n)
     for n in glob.glob("/dev/video*"):
         make_entry(n)
+    for n in glob.glob("/dev/dma_heap/*"):
+        make_entry(n)
 
     # Binder dev nodes
     make_entry("/dev/" + args.BINDER_DRIVER, "dev/binder", check=False)