camera2: Adding TIFF writing utilities.

Adds a native image utilities library with support for:
- Writing TIFF 6.0 and TIFF EP compliant file headers.
- Additional tags defined in EXIF 2.3 and DNG 1.4 specs.

Change-Id: I7a4fef74bd5254d92baf08a3cf61af5de1b7ca83
diff --git a/media/img_utils/src/Android.mk b/media/img_utils/src/Android.mk
new file mode 100644
index 0000000..80893be
--- /dev/null
+++ b/media/img_utils/src/Android.mk
@@ -0,0 +1,61 @@
+# Copyright 2014 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_SRC_FILES := \
+  EndianUtils.cpp \
+  FileInput.cpp \
+  FileOutput.cpp \
+  SortedEntryVector.cpp \
+  Input.cpp \
+  Output.cpp \
+  Orderable.cpp \
+  TiffIfd.cpp \
+  TiffWritable.cpp \
+  TiffWriter.cpp \
+  TiffEntry.cpp \
+  TiffEntryImpl.cpp \
+  ByteArrayOutput.cpp \
+  DngUtils.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+  libexpat \
+  libutils \
+  libcutils \
+  libcamera_metadata \
+  libcamera_client
+
+LOCAL_C_INCLUDES += \
+  $(LOCAL_PATH)/../include \
+  system/media/camera/include
+
+LOCAL_CFLAGS += \
+  -Wall \
+  -Wextra \
+  -Werror \
+  -fvisibility=hidden
+
+ifneq ($(filter userdebug eng,$(TARGET_BUILD_VARIANT)),)
+    # Enable assert() in eng builds
+    LOCAL_CFLAGS += -UNDEBUG -DLOG_NDEBUG=1
+endif
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/../include
+
+LOCAL_MODULE := libimg_utils
+
+include $(BUILD_SHARED_LIBRARY)