Add Android makefile to create minizip static library only

deps/zlib/contrib/minizip/Android.mk

@@ -0,0 +1,47 @@
+# Copyright (C) 2009 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := minizip
+
+LOCAL_C_INCLUDES += 
+
+LOCAL_SRC_FILES := \
+	ioapi.c \
+	unzip.c
+
+# debug
+ifeq ($(debug),true)
+LOCAL_CFLAGS += \
+	-DDEBUG \
+	-g \
+	-O0 \
+	-Wall \
+	-Wextra
+endif
+
+# common flags
+LOCAL_CFLAGS += \
+	-D__POSIX__ \
+	-D_LARGEFILE_SOURCE \
+	-D_FILE_OFFSET_BITS=64 \
+	-Wno-unused-parameter
+
+LOCAL_EXPORT_C_INCLUDES := \
+	$(LOCAL_PATH)
+
+include $(BUILD_STATIC_LIBRARY)