hle: Fix some inconsistencies in namespace naming in Services (#808)

Also fix IShopServiceAccessSystemInterface being in the wrong namespace.

Ryujinx.HLE/HOS/Services/BluetoothManager/ResultCode.cs

@@ -0,0 +1,10 @@
+namespace Ryujinx.HLE.HOS.Services.BluetoothManager
+{
+    enum ResultCode
+    {
+        ModuleId       = 143,
+        ErrorCodeShift = 9,
+
+        Success = 0
+    }
+}