[LSC] Add LOCAL_LICENSE_KINDS to external/mtools

Added legacy_by_exception_only to:
  Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I51a00d9720fae13f747d0fa51b140c6a56b29ade
diff --git a/Android.bp b/Android.bp
index f3740ba..d0617b9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -12,6 +12,26 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// *** THIS PACKAGE HAS SPECIAL LICENSING CONDITIONS.  PLEASE
+//     CONSULT THE OWNERS AND opensource-licensing@google.com BEFORE
+//     DEPENDING ON IT IN YOUR PROJECT. ***
+package {
+    default_applicable_licenses: ["external_mtools_license"],
+}
+
+// Added automatically by a large-scale-change
+// See: http://go/android-license-faq
+license {
+    name: "external_mtools_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "legacy_by_exception_only", // by exception only
+    ],
+    license_text: [
+        "COPYING",
+    ],
+}
+
 cc_binary_host {
     name: "mtools",
     srcs: [