Expose cellular signal strength on Android to native

net/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 1180 matching lines @@
       "//base",
       "//build/config/sanitizers:deps",
       "//third_party/boringssl",
     ]
   }
 }
 
 if (is_android) {
   generate_jni("net_jni_headers") {
     sources = [
+      "android/java/src/org/chromium/net/AndroidCellularSignalStrength.java",
       "android/java/src/org/chromium/net/AndroidCertVerifyResult.java",
       "android/java/src/org/chromium/net/AndroidKeyStore.java",
       "android/java/src/org/chromium/net/AndroidNetworkLibrary.java",
       "android/java/src/org/chromium/net/AndroidTrafficStats.java",
       "android/java/src/org/chromium/net/GURLUtils.java",
       "android/java/src/org/chromium/net/HttpNegotiateAuthenticator.java",
       "android/java/src/org/chromium/net/NetStringUtil.java",
       "android/java/src/org/chromium/net/NetworkChangeNotifier.java",
       "android/java/src/org/chromium/net/ProxyChangeListener.java",
       "android/java/src/org/chromium/net/X509Util.java",
@@ skipping 836 matching lines @@
     "url_request/url_request_fuzzer.cc",
   ]
   deps = [
     ":net_fuzzer_test_support",
     ":test_support",
     "//base",
     "//net",
   ]
   dict = "data/http/http.dict"
 }