[LSC] Add LOCAL_LICENSE_KINDS to external/icing

Added SPDX-license-identifier-Apache-2.0 to:
  Android.bp
  java/Android.bp
  java/tests/instrumentation/Android.bp
  proto/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I38c56024f1fabc5ea1cc471e8ba9328971051eee
diff --git a/Android.bp b/Android.bp
index fb14778..87ed49e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -12,6 +12,23 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["external_icing_license"],
+}
+
+// Added automatically by a large-scale-change
+// See: http://go/android-license-faq
+license {
+    name: "external_icing_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-Apache-2.0",
+    ],
+    license_text: [
+        "LICENSE",
+    ],
+}
+
 cc_defaults {
     name: "libicing_defaults",
 
diff --git a/java/Android.bp b/java/Android.bp
index fb61c75..7daeb0a 100644
--- a/java/Android.bp
+++ b/java/Android.bp
@@ -12,6 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "external_icing_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["external_icing_license"],
+}
+
 java_library {
     name: "libicing-java",
     srcs: ["src/**/*.java"],
diff --git a/java/tests/instrumentation/Android.bp b/java/tests/instrumentation/Android.bp
index 8960354..2b680f0 100644
--- a/java/tests/instrumentation/Android.bp
+++ b/java/tests/instrumentation/Android.bp
@@ -12,6 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "external_icing_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["external_icing_license"],
+}
+
 android_test {
     name: "IcingSearchEngineTest",
     srcs: [
diff --git a/proto/Android.bp b/proto/Android.bp
index 7bc1859..4fb0c18 100644
--- a/proto/Android.bp
+++ b/proto/Android.bp
@@ -12,6 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "external_icing_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["external_icing_license"],
+}
+
 java_library {
     name: "icing-java-proto-lite",
     proto: {