precache: Move the java files into //components/precache/android

components/precache.gypi

Index: components/precache.gypi
diff --git a/components/precache.gypi b/components/precache.gypi
index 5d28ac0d8187cc32d5e673dcec21a1e0832d9607..0bd41da2260c25d8023293aa8698d8a7be99d210 100644
--- a/components/precache.gypi
+++ b/components/precache.gypi
@@ -70,4 +70,31 @@
       'includes': [ '../build/protoc.gypi', ],
     },
   ],
+  'conditions': [
+    ['OS=="android"', {
+      'targets': [{
+        'target_name': 'precache_java',
+        'type': 'none',
+        'dependencies': [
+          '../base/base.gyp:base',
+          '../content/content.gyp:content_java',
+        ],
+        'variables': {
+          'java_in_dir': 'precache/android/java',
+        },
+        'includes': [ '../build/java.gypi' ],
+      }, {
+        'target_name': 'precache_javatests',
+        'type': 'none',
+        'dependencies': [
+          'precache_java',
+          '../base/base.gyp:base_java_test_support',
+        ],
+        'variables': {
+          'java_in_dir': 'precache/android/javatests',
+        },
+        'includes': [ '../build/java.gypi' ],
+      }],
+    }],
+  ],
 }