Add '-unstable' to solve ODR violation

The interface which is imported by an unstable interface is 'unstable'
as well. Until now, the ODR violation checker in aidl has omitted an
interface imported, but it will be checked, accordingly, fix the current
problem.

Bug: 146436251
Test: m nothing
Change-Id: I997a52d883df720711e6c5defced465952951750
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 2a1e56c..d7e9461 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -118,14 +118,14 @@
     export_header_lib_headers: ["libaudioclient_headers"],
     export_static_lib_headers: [
         "effect-aidl-cpp",
-        "shared-file-region-aidl-cpp",
+        "shared-file-region-aidl-unstable-cpp",
     ],
 
     static_libs: [
         "effect-aidl-cpp",
         // for memory heap analysis
         "libc_malloc_debug_backtrace",
-        "shared-file-region-aidl-cpp",
+        "shared-file-region-aidl-unstable-cpp",
     ],
     cflags: [
         "-Wall",