[Cronet] Enable Brotli

components/cronet/android/api/src/org/chromium/net/ICronetEngineBuilder.java

Index: components/cronet/android/api/src/org/chromium/net/ICronetEngineBuilder.java
diff --git a/components/cronet/android/api/src/org/chromium/net/ICronetEngineBuilder.java b/components/cronet/android/api/src/org/chromium/net/ICronetEngineBuilder.java
index 41a6547bdb1221d7a5f7f7544c197efabe721cfb..4ccdc18d764df17a15461bd6d679dfc26d9b2ffd 100644
--- a/components/cronet/android/api/src/org/chromium/net/ICronetEngineBuilder.java
+++ b/components/cronet/android/api/src/org/chromium/net/ICronetEngineBuilder.java
@@ -27,6 +27,7 @@ public abstract class ICronetEngineBuilder {
             boolean value);
     public abstract ICronetEngineBuilder enableQuic(boolean value);
     public abstract ICronetEngineBuilder enableSdch(boolean value);
+    public abstract ICronetEngineBuilder enableBrotli(boolean value);

[mef, 2017/04/12 17:45:49]

This method should have default 'do nothing' implementation to cover the case of
old implementation, which does not have it:

   public ICronetEngineBuilder enableBrotli(boolean value) {
      return this;
   }

[xunjieli, 2017/04/13 21:26:14]

Done.

     public abstract ICronetEngineBuilder setExperimentalOptions(String options);
     public abstract ICronetEngineBuilder setLibraryLoader(
             CronetEngine.Builder.LibraryLoader loader);