Update build rules for LLVM merge to version 176139.

Change-Id: Ibb71ad9a6a2ed05dbf87f249ac42b1355e3fa41a
diff --git a/lib/Bitcode/Reader/Android.mk b/lib/Bitcode/Reader/Android.mk
index 9fbe9fc..6e95cbc 100644
--- a/lib/Bitcode/Reader/Android.mk
+++ b/lib/Bitcode/Reader/Android.mk
@@ -2,7 +2,8 @@
 
 bitcode_reader_SRC_FILES := \
 	BitReader.cpp	\
-	BitcodeReader.cpp
+	BitcodeReader.cpp \
+	BitstreamReader.cpp
 
 # For the host
 # =====================================================