Revert "Update to v6.11 kernel headers."

Revert submission 3277111-kernel_611

Reason for revert: Droidmonitor created revert due to b/369448759.

Reverted changes: /q/submissionid:3277111-kernel_611

Change-Id: I3cabcc2c55904459c69dbfa81e6e65863a7e57cc
diff --git a/libc/kernel/uapi/linux/dma-heap.h b/libc/kernel/uapi/linux/dma-heap.h
index ac86b59..467e336 100644
--- a/libc/kernel/uapi/linux/dma-heap.h
+++ b/libc/kernel/uapi/linux/dma-heap.h
@@ -9,7 +9,7 @@
 #include <linux/ioctl.h>
 #include <linux/types.h>
 #define DMA_HEAP_VALID_FD_FLAGS (O_CLOEXEC | O_ACCMODE)
-#define DMA_HEAP_VALID_HEAP_FLAGS (0ULL)
+#define DMA_HEAP_VALID_HEAP_FLAGS (0)
 struct dma_heap_allocation_data {
   __u64 len;
   __u32 fd;