Move android-cmake README to METADATA file.

A METADATA file provides more structured information about included
third-party code.

Change-Id: I58b285ac2d73139e5b3843ba33d4d923b676afb7
Reviewed-on: https://boringssl-review.googlesource.com/11042
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/third_party/android-cmake/METADATA b/third_party/android-cmake/METADATA
new file mode 100644
index 0000000..0ba6817
--- /dev/null
+++ b/third_party/android-cmake/METADATA
@@ -0,0 +1,15 @@
+name: "android-cmake"
+description:
+    "android-cmake is a collection of CMake scripts for building against the "
+    "Android NDK."
+
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://github.com/taka-no-me/android-cmake/"
+  }
+  version: "556cc14296c226f753a3778d99d8b60778b7df4f"
+  last_upgrade_date { year: 2016 month: 6 day: 2 }
+
+  local_modifications: "LICENSE file has been created for compliance purposes. Not included in original distribution."
+}
diff --git a/third_party/android-cmake/README.google b/third_party/android-cmake/README.google
deleted file mode 100644
index b2a0caf..0000000
--- a/third_party/android-cmake/README.google
+++ /dev/null
@@ -1,12 +0,0 @@
-URL: https://github.com/taka-no-me/android-cmake/archive/556cc14296c226f753a3778d99d8b60778b7df4f.zip
-Version: 556cc14296c226f753a3778d99d8b60778b7df4f
-License: BSD
-License File: LICENSE
-
-Description:
-android-cmake is a collection of CMake scripts for building against the Android
-NDK.
-
-Local Modifications:
-LICENSE file has been created for compliance purposes. Not included in original
-distribution.