Fix licenses and license texts.

Use Android-Apache-2.0 for all Apache 2.0

Remove legacy_restricted (no longer appears in code).

Remove Android.bp which did not build anything but was a placeholder
for the missing license texts.

Test: m nothing
Change-Id: Ia491a59c735ca20afda9b4bbac9d8b33dbf8874e
diff --git a/tools/droiddoc/Android.bp b/tools/droiddoc/Android.bp
index efd30c1..71d4939 100644
--- a/tools/droiddoc/Android.bp
+++ b/tools/droiddoc/Android.bp
@@ -14,15 +14,22 @@
 
 package {
     // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "build_make_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    //   SPDX-license-identifier-BSD
-    //   SPDX-license-identifier-CC-BY
-    //   SPDX-license-identifier-GPL
-    //   SPDX-license-identifier-MIT
-    default_applicable_licenses: ["build_make_license"],
+    default_applicable_licenses: [
+        "Android-Apache-2.0",
+        "build_make_tools_droiddoc_license",
+    ],
+}
+
+license {
+    name: "build_make_tools_droiddoc_license",
+    package_name: "Android Droiddoc Templates",
+    license_kinds: [
+        "SPDX-license-identifier-BSD",
+        "SPDX-license-identifier-CC-BY-2.5",
+        "SPDX-license-identifier-GPL-3.0",
+        "SPDX-license-identifier-MIT",
+    ],
+    license_text: ["LICENSE"],
 }
 
 droiddoc_exported_dir {