Include Gello.

Run `export WITH_GELLO_SOURCE=true` to build from source. Otherwise,
include artifact from maven repository.

Change-Id: Ie9e0aa23aaaee3bc4ab7048eddd7063fbed531ab

gello/Android.mk

@@ -0,0 +1,45 @@
+#
+# Copyright (C) 2016 The CyanogenMod 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)
+
+SOURCE_GELLO_PATH := $(LOCAL_PATH)/../../../external/gello-build
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := Gello
+LOCAL_MODULE_CLASS := APPS
+LOCAL_CERTIFICATE := $(DEFAULT_SYSTEM_DEV_CERTIFICATE)
+
+LOCAL_OVERRIDES_PACKAGES := Browser
+
+ifeq ($(WITH_GELLO_SOURCE),true)
+# Build from source
+ifeq ($(LOCAL_GELLO),true)
+BUILD_GELLO := $(info $(shell bash $(SOURCE_GELLO_PATH)/gello_build.sh --local 1>&2))
+else
+BUILD_GELLO := $(info $(shell bash $(SOURCE_GELLO_PATH)/gello_build.sh 1>&2))
+endif
+LOCAL_SRC_FILES := ../../../external/gello-build/Gello.apk
+include $(BUILD_PREBUILT)
+else
+LOCAL_MAVEN_REPO := https://maven.cyanogenmod.org/artifactory/gello_prebuilds
+LOCAL_MAVEN_GROUP := org.cyanogenmod
+LOCAL_MAVEN_VERSION := 17
+LOCAL_MAVEN_ARTIFACT := gello
+LOCAL_MAVEN_PACKAGING := apk
+
+include $(BUILD_MAVEN_PREBUILT)
+endif