Match src paths with aidl package name

In order for the build system to track updates to the header files
during incremental builds, always specify the src files using the same
path as the package for C++ compilations.

Bug: 112114177
Test: treehugger
Change-Id: I97493c90c888678ce6c5fb56c9c83516b7e2fb2f

Android.bp

@@ -733,6 +733,7 @@ filegroup {
         "core/java/android/os/IIncidentManager.aidl",
         "core/java/android/os/IIncidentReportStatusListener.aidl",
     ],
+    path: "core/java",
 }
 
 filegroup {
@@ -741,6 +742,7 @@ filegroup {
         "core/java/android/os/IStatsCompanionService.aidl",
         "core/java/android/os/IStatsManager.aidl",
     ],
+    path: "core/java",
 }
 
 java_library {