Take frameworks/av from anbox

Change-Id: Idcbbb0753530afeb6fd6a83d6af7ba76c1ba984b

default.xml

@@ -285,7 +285,7 @@
   <project path="external/zlib" name="platform/external/zlib" groups="pdk" />
   <project path="external/zopfli" name="platform/external/zopfli" groups="pdk-cw-fs,pdk-fs" />
   <project path="external/zxing" name="platform/external/zxing" groups="pdk-cw-fs,pdk-fs" />
-  <project path="frameworks/av" name="platform/frameworks/av" groups="pdk" />
+  <project path="frameworks/av" name="platform_frameworks_av" groups="pdk" remote="anbox" />
   <project path="frameworks/base" name="platform_frameworks_base" groups="pdk-cw-fs,pdk-fs" remote="anbox" />
   <project path="frameworks/compile/libbcc" name="platform/frameworks/compile/libbcc" groups="pdk" />
   <project path="frameworks/compile/mclinker" name="platform/frameworks/compile/mclinker" groups="pdk" />