Add Android-specific files

Adapted from Ie4c0d4db5f58c65f1cc9110b678834c168332ca8.

METADATA:
Update the commit and upgrade version to account for recent changes.
List our mirror instead of the github version.

OWNERS.android:
List the wuffs-team members. There is currently no OWNERS file in the
upstream, but use OWNERS.android just in case upstream ever adds one.

Bug: 195936927
Test: NA
Change-Id: I376f2104d94ebc5d77de190e7aa2ccfb07b33a19
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..1dc143c
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,13 @@
+name: "Wuffs Mirror Release C"
+description:
+    ""
+
+third_party {
+  url {
+    type: GIT
+    value: "https://skia.googlesource.com/external/github.com/google/wuffs-mirror-release-c/"
+  }
+  version: "a0e2454f0c21369f9775cad3bcaf1e3bb1db70b6"
+  last_upgrade_date { year: 2021 month: 12 day: 8 }
+  license_type: NOTICE
+}