Replace external/srec path to new repository android_external_srec

Change-Id: I8c56c0f91374b4f2bf37524573e3c7cd487aea28

default.xml

@@ -204,7 +204,7 @@
   <project path="external/sonivox" name="platform/external/sonivox" groups="pdk" />
   <project path="external/speex" name="platform/external/speex" groups="pdk" />
   <project path="external/sqlite" name="platform/external/sqlite" groups="pdk" />
-  <project path="external/srec" name="platform/external/srec" />
+  <project path="external/srec" name="android_external_srec" remote="private" revision="android-4.3" />
   <project path="external/srtp" name="platform/external/srtp" />
   <project path="external/stlport" name="platform/external/stlport" groups="pdk" />
   <project path="external/strace" name="platform/external/strace" />