Upgrade libultrahdr to 668eea659028a395906611ac1e05bdf88c6f6559

This project was upgraded with external_updater.
Usage: tools/external_updater/updater.sh update external/libultrahdr
For more info, check https://cs.android.com/android/platform/superproject/+/main:tools/external_updater/README.md

Bug: 333778084
Test: TreeHugger

Change-Id: I7b7c6754b3a0e95c1efcf7fb76fe406d2fc276f3
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..f1275ce
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+# This project was upgraded with external_updater.
+# Usage: tools/external_updater/updater.sh update external/libultrahdr
+# For more info, check https://cs.android.com/android/platform/superproject/+/main:tools/external_updater/README.md
+
+name: "libultrahdr"
+description: "Android fork of the libultrahdr library."
+third_party {
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2024
+    month: 4
+    day: 10
+  }
+  identifier {
+    type: "Git"
+    value: "https://github.com/google/libultrahdr.git"
+    version: "668eea659028a395906611ac1e05bdf88c6f6559"
+  }
+}