Revert "Introduce InputFile/OutputFile and FileMutex."

This reverts commit d670be7a08cb85329ff3b5e9039cda9ffa4a35a1.

Conflicts:

	lib/ExecutionEngine/InputFile.cpp
	lib/ExecutionEngine/OutputFile.cpp

Change-Id: I99d5ed4cbda7296a399d683dfa264ce68bc4ddf3
diff --git a/lib/ExecutionEngine/Android.mk b/lib/ExecutionEngine/Android.mk
index ae6352c..e26be60 100644
--- a/lib/ExecutionEngine/Android.mk
+++ b/lib/ExecutionEngine/Android.mk
@@ -26,13 +26,11 @@
   BCCContext.cpp \
   BCCContextImpl.cpp \
   Compiler.cpp \
-  FileBase.cpp \
+  FileHandle.cpp \
   GDBJIT.cpp \
   GDBJITRegistrar.cpp \
-  InputFile.cpp \
   MCCacheWriter.cpp \
   MCCacheReader.cpp \
-  OutputFile.cpp \
   RSScript.cpp \
   Runtime.c \
   RuntimeStub.c \