Remove obsolete SpeechRecorder from eng builds

Bug: 21855957
Change-Id: Ibb6b587724872bb7c073669810a35726af0a7678
diff --git a/Android.mk b/Android.mk
index 07beaef..6744d69 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,8 +1,6 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_MODULE_TAGS := eng
-
 LOCAL_SRC_FILES := $(call all-subdir-java-files) \
 
 LOCAL_PACKAGE_NAME := SpeechRecorder