Update unittest expectations for Android

We're using different user/group and file path on Android, so update
these expectations in unittest for Android.

While there, rename apmanager_unittest to apmanager_test, which seems
to be the convention for unittest target name on Android.

Bug: 24707201
TEST=Run unittest on dragonboard
TEST=Run unittest for Chrome OS

Change-Id: Ibd6880a713117578b68c814edc7e1cefe9170c75
diff --git a/Android.mk b/Android.mk
index c84dd5f..dc8c107 100644
--- a/Android.mk
+++ b/Android.mk
@@ -95,9 +95,12 @@
 $(eval $(apmanager_common))
 include $(BUILD_EXECUTABLE)
 
-# === unittest ===
+# === apmanager_test ===
 include $(CLEAR_VARS)
-LOCAL_MODULE := apmanager_unittest
+LOCAL_MODULE := apmanager_test
+ifdef BRILLO
+  LOCAL_MODULE_TAGS := debug
+endif # BRILLO
 LOCAL_SRC_FILES := \
     config_unittest.cc \
     device_info_unittest.cc \