created speex resampler library

Change-Id: I4424cb40416d94ccf4637fbbb53f02d595c31e3d
diff --git a/core/pathmap.mk b/core/pathmap.mk
index 428594f..78dee49 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -48,7 +48,8 @@
     libthread_db:bionic/libthread_db/include \
     mkbootimg:system/core/mkbootimg \
     recovery:bootable/recovery \
-    system-core:system/core/include
+    system-core:system/core/include \
+    speex:external/speex/include
 
 #
 # Returns the path to the requested module's include directory,