Upgrade golang-x-sync to v0.1.0

Not using external_updater this time to switch to the new upstream tags.

Test: treehugger
Change-Id: I1c683354bf8c558a457370013012d73a8a9fd839
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..a7569cb
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,12 @@
+// Useful utility.
+bootstrap_go_package {
+    name: "golang-x-sync-errgroup",
+    pkgPath: "golang.org/x/sync/errgroup",
+    srcs: ["errgroup/errgroup.go"],
+}
+
+bootstrap_go_package {
+    name: "golang-x-sync-semaphore",
+    pkgPath: "golang.org/x/sync/semaphore",
+    srcs: ["semaphore/semaphore.go"],
+}
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..c55c3f1
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+name: "golang-x-sync"
+description: "This repository provides Go concurrency primitives in addition to the ones provided by the language and \'sync\' and \'sync/atomic\' packages."
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://go.googlesource.com/sync/"
+  }
+  url {
+    type: GIT
+    value: "https://go.googlesource.com/sync/"
+  }
+  version: "v0.1.0"
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2023
+    month: 3
+    day: 15
+  }
+}
diff --git a/MODULE_LICENSE_BSD b/MODULE_LICENSE_BSD
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_BSD
diff --git a/NOTICE b/NOTICE
new file mode 120000
index 0000000..7a694c9
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1 @@
+LICENSE
\ No newline at end of file