Ignore invalid lint errors for Java 8 features.

These features are supported via desugar, but we started getting lint errors:
"Static interface  method requires API level 24 (current min is 16)"
https://chromium.googlesource.com/chromium/src/+/60990c11cee109af3dbe79fa2423362ed706dbcd

Bug: webrtc:8084
Change-Id: Iba8b5825a52bd57da7ee4ab52cde2d7bd9ebce30
Reviewed-on: https://webrtc-review.googlesource.com/40421
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21672}
diff --git a/tools_webrtc/android/suppressions.xml b/tools_webrtc/android/suppressions.xml
index e20871d..67e5b41 100644
--- a/tools_webrtc/android/suppressions.xml
+++ b/tools_webrtc/android/suppressions.xml
@@ -43,6 +43,9 @@
     <!-- We support try-with-resources via desugar. -->
     <ignore regexp="Try-with-resources requires API level 19"/>
     <ignore regexp="Call requires API level 19.*`java.lang.Throwable#addSuppressed`"/>
+    <!-- We support new language features via desugar. -->
+    <ignore regexp="Default method requires API level 24"/>
+    <ignore regexp="Static interface  method requires API level 24"/>
   </issue>
 
 </lint>