Fix typo in a few license files.

Test: None
Change-Id: Ic1ca20025f3ee9d4aa9140261df06ce76c4e62f0
diff --git a/tests/netd_test.cpp b/tests/netd_test.cpp
index 7e14b01..9a6e69c 100644
--- a/tests/netd_test.cpp
+++ b/tests/netd_test.cpp
@@ -7,7 +7,7 @@
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless requied by applicable law or agreed to in writing, software
+ * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and