Merge changes Ib3ab5846,I8c56c0f9 into android-4.3

* changes:
  Replace external/llvm path to new repository android_external_llvm
  Replace external/srec path to new repository android_external_srec

default.xml

@@ -160,7 +160,7 @@
   <project path="external/libyuv" name="platform/external/libyuv" groups="libyuv" />
   <project path="external/linux-tools-perf" name="platform/external/linux-tools-perf" />
   <project path="external/littlemock" name="platform/external/littlemock" />
-  <project path="external/llvm" name="platform/external/llvm" groups="pdk" />
+  <project path="external/llvm" name="android_external_llvm" remote="private" revision="android-4.3" />
   <project path="external/marisa-trie" name="platform/external/marisa-trie" />
   <project path="external/markdown" name="platform/external/markdown" />
   <project path="external/mdnsresponder" name="platform/external/mdnsresponder" groups="pdk" />
@@ -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" />