[Roboelectric] Split Robolectric frameworks services targets

1. Move all backup tests from services/robotests/src to services/robotests/backup/src
2. Copied over services/robotests/backup/config/robolectric.properties
3. Copied and modified services/robotests/backup/Android.mk

Bug: 120223382

Test: 1) atest RunFrameworksServicesRoboTests (backup + location). out: RunFrameworksServicesRoboTests: OK (615 tests)
2) atest RunBackupFrameworksServicesRoboTests (backup). out: RunBackupFrameworksServicesRoboTests: OK (582 tests)

Change-Id: I2b0c95b22e90b01f715f772c60c2179b8c0eb29b

services/robotests/Android.mk

@@ -41,7 +41,8 @@ include $(CLEAR_VARS)
 
 LOCAL_MODULE := FrameworksServicesRoboTests
 
-LOCAL_SRC_FILES := $(call all-java-files-under, src)
+LOCAL_SRC_FILES := $(call all-java-files-under, src) \
+    $(call all-java-files-under, backup/src)
 
 LOCAL_RESOURCE_DIR := \
     $(LOCAL_PATH)/res
@@ -81,4 +82,13 @@ LOCAL_JAVA_LIBRARIES := \
 
 LOCAL_TEST_PACKAGE := FrameworksServicesLib
 
-include external/robolectric-shadows/run_robotests.mk
+LOCAL_ROBOTEST_FILES := $(call find-files-in-subdirs,$(LOCAL_PATH)/src,*Test.java,.) \
+    $(call find-files-in-subdirs,$(LOCAL_PATH)/backup/src,*Test.java,.)
+
+include external/robolectric-shadows/run_robotests.mk
+
+###################################################################
+# include subdir Android.mk files
+###################################################################
+include $(CLEAR_VARS)
+include $(call all-makefiles-under,$(LOCAL_PATH))

services/robotests/backup/Android.mk

@@ -0,0 +1,84 @@
+# Copyright (C) 2018 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)
+
+###################################################################
+# BackupFrameworksServicesLib app just for Robolectric test target      #
+###################################################################
+include $(CLEAR_VARS)
+
+LOCAL_PACKAGE_NAME := BackupFrameworksServicesLib
+LOCAL_PRIVATE_PLATFORM_APIS := true
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_PRIVILEGED_MODULE := true
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    bmgrlib \
+    bu \
+    services.backup \
+    services.core \
+    services.net
+
+include $(BUILD_PACKAGE)
+
+###################################################################
+# BackupFrameworksServicesLib Robolectric test target.                  #
+###################################################################
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := BackupFrameworksServicesRoboTests
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src) \
+    $(call all-java-files-under, ../src/com/android/server/testing/shadows)
+
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
+
+LOCAL_JAVA_RESOURCE_DIRS := config
+
+# Include the testing libraries
+LOCAL_JAVA_LIBRARIES := \
+    platform-test-annotations \
+    robolectric_android-all-stub \
+    Robolectric_all-target \
+    mockito-robolectric-prebuilt \
+    truth-prebuilt \
+    testng
+
+LOCAL_INSTRUMENTATION_FOR := BackupFrameworksServicesLib
+
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+###################################################################
+# BackupFrameworksServicesLib runner target to run the previous target. #
+###################################################################
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := RunBackupFrameworksServicesRoboTests
+
+LOCAL_JAVA_LIBRARIES := \
+    BackupFrameworksServicesRoboTests \
+    platform-test-annotations \
+    robolectric_android-all-stub \
+    Robolectric_all-target \
+    mockito-robolectric-prebuilt \
+    truth-prebuilt \
+    testng
+
+LOCAL_TEST_PACKAGE := BackupFrameworksServicesLib
+
+include external/robolectric-shadows/run_robotests.mk

services/robotests/backup/config/robolectric.properties

@@ -0,0 +1 @@
+sdk=NEWEST_SDK