Move the non-NDK APIs to powermanager internal directory.

Move the header files with non-NDK APIs to be inside powermanager.

Bug: 150878392
Change-Id: I34d0619a0fd3bc913ef79040207b5943add6b372
diff --git a/services/powermanager/Android.bp b/services/powermanager/Android.bp
index 3e0f136..b0d3e3b 100644
--- a/services/powermanager/Android.bp
+++ b/services/powermanager/Android.bp
@@ -9,7 +9,7 @@
     ],
 
     aidl: {
-       local_include_dirs: ["."],
+       local_include_dirs: ["include"],
        include_dirs: [
            "frameworks/base/core/java/android/os",
        ],
@@ -28,6 +28,11 @@
         "-Wunused",
         "-Wunreachable-code",
     ],
+
+    local_include_dirs: ["include"],
+    export_include_dirs: [
+         "include",
+    ],
 }
 
 cc_test {