applypatch: Use shared lib for libbz.

We have shared lib target for libbz now (and libbz.so is already on
device because of /system/bin/bzip2).

Test: m applypatch
Change-Id: I5fe2468a8d535840245f081a92d436240dddbf6b
diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index c9ce34b..8fac2ff 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -120,10 +120,10 @@
     libedify \
     libotafault \
     libotautil \
-    libbspatch \
-    libbz
+    libbspatch
 LOCAL_SHARED_LIBRARIES := \
     libbase \
+    libbz \
     libcrypto \
     liblog \
     libz \