[LSC] Add LOCAL_LICENSE_KINDS to platform_testing

Added SPDX-license-identifier-Apache-2.0 to:
  libraries/sts-common-util/device-side/tests/Android.bp
  libraries/sts-common-util/host-side/tests/Android.bp
  libraries/sts-common-util/util/tests/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all
Change-Id: Ieeae82628aac8aff0d3f44f67eb4f827cf40e273
diff --git a/libraries/sts-common-util/device-side/tests/Android.bp b/libraries/sts-common-util/device-side/tests/Android.bp
index 03892d2..0bb445f 100644
--- a/libraries/sts-common-util/device-side/tests/Android.bp
+++ b/libraries/sts-common-util/device-side/tests/Android.bp
@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 android_test {
     name: "StsCommonUtilDeviceTests",
     srcs: ["src/**/*.java"],
diff --git a/libraries/sts-common-util/host-side/tests/Android.bp b/libraries/sts-common-util/host-side/tests/Android.bp
index 99a6687..6975caf 100644
--- a/libraries/sts-common-util/host-side/tests/Android.bp
+++ b/libraries/sts-common-util/host-side/tests/Android.bp
@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 java_test_host {
     name: "StsCommonUtilHostTests",
 
diff --git a/libraries/sts-common-util/util/tests/Android.bp b/libraries/sts-common-util/util/tests/Android.bp
index b51b1d9..12cfd66 100644
--- a/libraries/sts-common-util/util/tests/Android.bp
+++ b/libraries/sts-common-util/util/tests/Android.bp
@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 java_test_host {
     name: "StsCommonUtilTests",