audioid: fix for stlport dependency

- Drop stlport dependency
- Use String8 instead of char* for audio
  event vectors

Change-Id: I4415a8c014ca785716d5390a0c43a1ba41cd037f
diff --git a/audiod/Android.mk b/audiod/Android.mk
index c382c9d..2092620 100644
--- a/audiod/Android.mk
+++ b/audiod/Android.mk
@@ -1,7 +1,6 @@
 LOCAL_PATH:= $(call my-dir)
 
 include $(CLEAR_VARS)
-include external/stlport/libstlport.mk
 
 LOCAL_SRC_FILES:= \
 	audiod_main.cpp \
@@ -13,8 +12,7 @@
 	libcutils \
 	libutils \
 	libbinder \
-	libmedia \
-	libstlport
+	libmedia
 
 LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr