Specify version for aidl_interface explicitly

Bug: 150578172
Test: m
Change-Id: If0cfdc35f6383a5140d9e4207e15031f8072d066
diff --git a/services/surfaceflinger/tests/unittests/Android.bp b/services/surfaceflinger/tests/unittests/Android.bp
index 13b26fc..9b29b70 100644
--- a/services/surfaceflinger/tests/unittests/Android.bp
+++ b/services/surfaceflinger/tests/unittests/Android.bp
@@ -124,7 +124,7 @@
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.allocator@3.0",
         "android.hardware.graphics.common@1.2",
-        "android.hardware.power-cpp",
+        "android.hardware.power-V1-cpp",
         "libbase",
         "libbinder",
         "libcutils",