manifest: track android-visualizer

Change-Id: I52f8457c074c633b322d50bd8d7e04280b5547b6
Signed-off-by: Roman Birg <roman@cyngn.com>

default.xml

@@ -51,6 +51,7 @@
   <project path="external/aac" name="CyanogenMod/android_external_aac" groups="pdk" />
   <project path="external/android-clat" name="CyanogenMod/android_external_android-clat" />
   <project path="external/android-mock" name="CyanogenMod/android_external_android-mock" />
+  <project path="external/android-visualizer" name="CyanogenMod/android_external_android-visualizer" />
   <project path="external/ant-glob" name="CyanogenMod/android_external_ant-glob" />
   <project path="external/antlr" name="CyanogenMod/android_external_antlr" />
   <project path="external/apache-harmony" name="CyanogenMod/android_external_apache-harmony" />