ANDROID: Add the dma header to aarch64 allowlist

Export the header in all_headers_allowlist_aarch64, for dma driver to
use.

Bug: 343869732
Test: Verified the dma ddk modules are able to include the header.
Change-Id: Ib4bc8dada58495dc25bb1b41e6b502c18fe59591
Signed-off-by: Yuan-Jen (淵仁) Cheng <cyuanjen@google.com>

BUILD.bazel

@@ -1656,6 +1656,7 @@ ddk_headers(
 ddk_headers(
     name = "all_headers_allowlist_aarch64",
     hdrs = [
+        "drivers/dma/dmaengine.h",
         "drivers/extcon/extcon.h",
         "drivers/pci/controller/dwc/pcie-designware.h",
         "drivers/pci/pci.h",
@@ -1681,6 +1682,7 @@ ddk_headers(
     linux_includes = [
         "arch/arm64/include",
         "arch/arm64/include/uapi",
+        "drivers/dma",
         "drivers/extcon",
         "drivers/pci",
         "drivers/pci/controller/dwc",