Add IGnssPowerIndication AIDL HAL (hardware/interfaces)

Bug: 168123084
Bug: 171821213
Bug: 172893736
Test: on Cuttlefish
Change-Id: Ia9fd1981a6f93b2cad168bd52dae8d7b8ede0282
diff --git a/gnss/aidl/vts/Android.bp b/gnss/aidl/vts/Android.bp
index 48a0e21..d102e7f 100644
--- a/gnss/aidl/vts/Android.bp
+++ b/gnss/aidl/vts/Android.bp
@@ -22,6 +22,7 @@
         "gnss_hal_test.cpp",
         "gnss_hal_test_cases.cpp",
         "GnssCallbackAidl.cpp",
+        "GnssPowerIndicationCallback.cpp",
         "VtsHalGnssTargetTest.cpp",
     ],
     shared_libs: [