Added clean step missing in previous commit.

Added a clean step missing in commit 6302f54 to make sure
that speex resampler library is rebuild without NEON optimizations.

Change-Id: I08f4b65ddcb18de337a40a01b6b27d178e700d2d
diff --git a/CleanSpec.mk b/CleanSpec.mk
index b84e1b6..dcdc643 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -44,6 +44,8 @@
 #$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f)
 #$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*)
 
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libspeexresampler_intermediates)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************