BatteryService: implement HealthServiceWrapper

... which is a wrapper for @2.0::IHealth service that refreshes the
service if necessary. When new instances of IHealth are registered,
this class redirects its proxy to the new service.

Test: BatteryServiceTest
Bug: 63702641
Change-Id: I22f2aa1eb7d48a05dec5a7c747dabd6f832078e8
diff --git a/services/tests/servicestests/Android.mk b/services/tests/servicestests/Android.mk
index 6d7d4cb..8e41a55 100644
--- a/services/tests/servicestests/Android.mk
+++ b/services/tests/servicestests/Android.mk
@@ -33,7 +33,10 @@
     aidl/com/android/servicestests/aidl/ICmdReceiverService.aidl
 LOCAL_SRC_FILES += $(call all-java-files-under, test-apps/JobTestApp/src)
 
-LOCAL_JAVA_LIBRARIES := android.test.mock legacy-android-test
+LOCAL_JAVA_LIBRARIES := \
+    android.hidl.manager-V1.0-java \
+    android.test.mock \
+    legacy-android-test \
 
 LOCAL_PACKAGE_NAME := FrameworksServicesTests
 LOCAL_COMPATIBILITY_SUITE := device-tests