dist: Accept --destdir

This matches pkg_install(). This is to facilitate the migration to
pkg_install(), so that build bots can use a command line interface
that works for both copy_to_dist_dir() and pkg_install(), then
edit the code to switch to pkg_install().

Bug: 331730853
Test: manual
Change-Id: I22310779944aa603e962e21cc72e7b2c6868c095
(cherry picked from commit f547672a1d6b914891addd2d5bf2a5b100cb3e99)
diff --git a/dist/dist.py b/dist/dist.py
index c9f7be9..841806d 100644
--- a/dist/dist.py
+++ b/dist/dist.py
@@ -162,7 +162,7 @@
     parser = argparse.ArgumentParser(
         description="Dist Bazel output files into a custom directory.")
     parser.add_argument(
-        "--dist_dir", required=True, help="""path to the dist dir.
+        "--dist_dir", "--destdir", required=True, help="""path to the dist dir.
             If relative, it is interpreted as relative to Bazel workspace root
             set by the BUILD_WORKSPACE_DIRECTORY environment variable, or
             PWD if BUILD_WORKSPACE_DIRECTORY is not set.""")
diff --git a/patchinfo/I22310779944aa603e962e21cc72e7b2c6868c095 b/patchinfo/I22310779944aa603e962e21cc72e7b2c6868c095
new file mode 100644
index 0000000..7a2d820
--- /dev/null
+++ b/patchinfo/I22310779944aa603e962e21cc72e7b2c6868c095
@@ -0,0 +1 @@
+NONE