[Android] Sets up a coverage system for java using EMMA

build/android/ant/apk-instr.xml

Index: build/android/ant/apk-instr.xml
diff --git a/build/android/ant/apk-instr.xml b/build/android/ant/apk-instr.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e04eba74d09b79426a4ad14d82efec473bc5e01b
--- /dev/null
+++ b/build/android/ant/apk-instr.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    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.
+-->
+
+<project default="-instr">
+  <property name="classes.dir" location="${CLASSES_DIR}" />
+  <property name="classes.instr.dir" location="${CLASSES_INSTR_DIR}" />
+  <property name="sdk.dir" location="${ANDROID_SDK_ROOT}"/>
+
+  <property name="emma.coverage.absolute.file" location="${EMMA_COVERAGE_FILE}" />
+
+  <!-- jar file from where emma tasks are loaded -->
+  <path id="emma.antlibs">
+    <pathelement path="${sdk.dir}/tools/lib/emma_ant.jar" />
+    <pathelement path="${sdk.dir}/tools/lib/emma.jar" />
+  </path>
+
+  <taskdef resource="emma_ant.properties" classpathref="emma.antlibs" />
+
+  <!-- Instruments the output classes for coverage testing. -->
+  <target name="-instr">
+    <emma enabled="true">
+      <instr mode="copy"
+	     instrpath="${classes.dir}"
+	     outdir="${classes.instr.dir}"
+	     metadatafile="${emma.coverage.absolute.file}">
+	<!-- TODO: Filter things here -->
+      </instr>
+    </emma>
+  </target>
+</project>