Setup on device testing for sys ui

This borrows on the testing infrastructure set up by the phone sys ui
team and provides an examples via test for CarNavigationBarController.

Bug: 143227120
Test: atest CarNavigationBarControllerTest
Change-Id: I10fd4e2e51f2faf75ade5b40e47441a9e948f075
diff --git a/packages/CarSystemUI/tests/Android.mk b/packages/CarSystemUI/tests/Android.mk
new file mode 100644
index 0000000..1366568
--- /dev/null
+++ b/packages/CarSystemUI/tests/Android.mk
@@ -0,0 +1,88 @@
+# Copyright (C) 2019 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_USE_AAPT2 := true
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_JACK_FLAGS := --multi-dex native
+LOCAL_DX_FLAGS := --multi-dex
+
+LOCAL_PACKAGE_NAME := CarSystemUITests
+LOCAL_PRIVATE_PLATFORM_APIS := true
+LOCAL_COMPATIBILITY_SUITE := device-tests
+
+LOCAL_STATIC_ANDROID_LIBRARIES := \
+    CarSystemUI-tests
+
+LOCAL_MULTILIB := both
+
+LOCAL_JNI_SHARED_LIBRARIES := \
+    libdexmakerjvmtiagent \
+    libmultiplejvmtiagentsinterferenceagent
+
+LOCAL_JAVA_LIBRARIES := \
+    android.test.runner \
+    telephony-common \
+    android.test.base \
+
+LOCAL_AAPT_FLAGS := --extra-packages com.android.systemui
+
+# sign this with platform cert, so this test is allowed to inject key events into
+# UI it doesn't own. This is necessary to allow screenshots to be taken
+LOCAL_CERTIFICATE := platform
+
+# Provide jack a list of classes to exclude from code coverage.
+# This is needed because the CarSystemUITests compile CarSystemUI source directly, rather than using
+# LOCAL_INSTRUMENTATION_FOR := CarSystemUI.
+#
+# We want to exclude the test classes from code coverage measurements, but they share the same
+# package as the rest of SystemUI so they can't be easily filtered by package name.
+#
+# Generate a comma separated list of patterns based on the test source files under src/
+# SystemUI classes are in ../src/ so they won't be excluded.
+# Example:
+#   Input files: src/com/android/systemui/Test.java src/com/android/systemui/AnotherTest.java
+#   Generated exclude list: com.android.systemui.Test*,com.android.systemui.AnotherTest*
+
+# Filter all src files under src/ to just java files
+local_java_files := $(filter %.java,$(call all-java-files-under, src))
+
+# Transform java file names into full class names.
+# This only works if the class name matches the file name and the directory structure
+# matches the package.
+local_classes := $(subst /,.,$(patsubst src/%.java,%,$(local_java_files)))
+local_comma := ,
+local_empty :=
+local_space := $(local_empty) $(local_empty)
+
+# Convert class name list to jacoco exclude list
+# This appends a * to all classes and replace the space separators with commas.
+jacoco_exclude := $(subst $(space),$(comma),$(patsubst %,%*,$(local_classes)))
+
+LOCAL_JACK_COVERAGE_INCLUDE_FILTER := com.android.systemui.*,com.android.keyguard.*
+LOCAL_JACK_COVERAGE_EXCLUDE_FILTER := $(jacoco_exclude)
+
+ifeq ($(EXCLUDE_SYSTEMUI_TESTS),)
+    include $(BUILD_PACKAGE)
+endif
+
+# Reset variables
+local_java_files :=
+local_classes :=
+local_comma :=
+local_space :=
+jacoco_exclude :=