Revert "Revert "adb/base: fix adb push of Unicode filenames on Win32""

This reverts commit cc8cd59456ca485a51cd6fd388c8bcb1af4a8f9b.

With the dependency on libcutils (for gettid for non-bionic) removed,
this no longer breaks the build.

Change-Id: I645bd6876e2502ddc1535b69af1e645c0df9d178
diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 3f201ec..7a7366e 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -49,7 +49,7 @@
     libutils \
     liblog \
     libz \
-    libbase
+    libbase \
 
 LOCAL_STATIC_LIBRARIES_darwin := libselinux
 LOCAL_STATIC_LIBRARIES_linux := libselinux