Define initial trust agent API

Adds the minimal API needed to define a useful trust agent.

Bug: 13723878
Change-Id: Ib24440bab7b16d0b656bde8b059e7d42cab2c7dc
diff --git a/Android.mk b/Android.mk
index 58eae8a..442c716 100644
--- a/Android.mk
+++ b/Android.mk
@@ -190,6 +190,8 @@
 	core/java/android/service/dreams/IDozeHardware.aidl \
 	core/java/android/service/dreams/IDreamManager.aidl \
 	core/java/android/service/dreams/IDreamService.aidl \
+	core/java/android/service/trust/ITrustAgentService.aidl \
+	core/java/android/service/trust/ITrustAgentServiceCallback.aidl \
 	core/java/android/service/wallpaper/IWallpaperConnection.aidl \
 	core/java/android/service/wallpaper/IWallpaperEngine.aidl \
 	core/java/android/service/wallpaper/IWallpaperService.aidl \