Fix javac --incremental by using jmake for dependency analysis

third_party/jmake/BUILD.gn

Index: third_party/jmake/BUILD.gn
diff --git a/third_party/jmake/BUILD.gn b/third_party/jmake/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..7b9b0a997d36bbe1aaa179040f87167bded25d77
--- /dev/null
+++ b/third_party/jmake/BUILD.gn
@@ -0,0 +1,31 @@
+# Copyright 2015 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/config/android/rules.gni")
+
+java_binary("jmake") {
+  java_files = [
+    "src/org/pantsbuild/jmake/CompatibilityChecker.java",
+    "src/org/pantsbuild/jmake/BinaryFileWriter.java",
+    "src/org/pantsbuild/jmake/PCDEntry.java",
+    "src/org/pantsbuild/jmake/TextProjectDatabaseWriter.java",
+    "src/org/pantsbuild/jmake/Base64.java",
+    "src/org/pantsbuild/jmake/PCDContainer.java",
+    "src/org/pantsbuild/jmake/Main.java",
+    "src/org/pantsbuild/jmake/ClassFileReader.java",
+    "src/org/pantsbuild/jmake/ClassPath.java",
+    "src/org/pantsbuild/jmake/BinaryFileReader.java",
+    "src/org/pantsbuild/jmake/PrivateException.java",
+    "src/org/pantsbuild/jmake/ClassInfo.java",
+    "src/org/pantsbuild/jmake/BinaryProjectDatabaseWriter.java",
+    "src/org/pantsbuild/jmake/PCDManager.java",
+    "src/org/pantsbuild/jmake/TextProjectDatabaseReader.java",
+    "src/org/pantsbuild/jmake/RefClassFinder.java",
+    "src/org/pantsbuild/jmake/Utils.java",
+    "src/org/pantsbuild/jmake/PublicExceptions.java",
+    "src/org/pantsbuild/jmake/BinaryProjectDatabaseReader.java",
+  ]
+  main_class = "org.pantsbuild.jmake.Main"
+  enable_incremental_javac = false
+}