- Copied existing C++ and Java JNI implementation.

- Fixed compilation errors, added custom cflags and ldflags.
- Added cronet_package target to build libcronet.so and cronet.jar.
- Added cronet_sample_apk target to build CronetSample.apk sample app.

Review URL: https://codereview.chromium.org/145213003

git-svn-id: http://src.chromium.org/svn/trunk/src/build@257131 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/adb_gdb_cronet_sample

@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# Copyright 2014 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.
+#
+# Attach to or start a ContentShell process and debug it.
+# See --help for details.
+#
+PROGDIR=$(dirname "$0")
+export ADB_GDB_PROGNAME=$(basename "$0")
+export ADB_GDB_ACTIVITY=.CronetSampleActivity
+"$PROGDIR"/adb_gdb \
+    --program-name=CronetSample \
+    --package-name=org.chromium.cronet_sample_apk \
+    "$@"