Add libmodpb64_host target

Bug: 22608897
Change-Id: I9074738f8cc0aeb75add85c0b22051b8187db197

Android.mk

diff --git a/Android.mk b/Android.mk
index 689a98c..b379e6e 100644
--- a/Android.mk
+++ b/Android.mk
@@ -21,3 +21,11 @@
 LOCAL_CFLAGS := -Wall -Werror
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
 include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := libmodpb64_host
+LOCAL_SRC_FILES := modp_b64.cc
+LOCAL_CPP_EXTENSION := .cc
+LOCAL_CFLAGS := -Wall -Werror
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
+include $(BUILD_HOST_STATIC_LIBRARY)