Virtualizer : Add minimum and maximum capabilities for params.

Bug: 263416041
Test: atest VtsHalVirtualizerTargetTest
Change-Id: Ic51135ffa685f64a945898bd0f9ebf12f8832ea6
diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.h b/audio/aidl/default/virtualizer/VirtualizerSw.h
index b4482da..0f294cd 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.h
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.h
@@ -32,16 +32,7 @@
         : EffectContext(statusDepth, common) {
         LOG(DEBUG) << __func__;
     }
-    RetCode setVrStrength(int strength) {
-        if (strength < Virtualizer::MIN_PER_MILLE_STRENGTH ||
-            strength > Virtualizer::MAX_PER_MILLE_STRENGTH) {
-            LOG(ERROR) << __func__ << " invalid strength " << strength;
-            return RetCode::ERROR_ILLEGAL_PARAMETER;
-        }
-        // TODO : Add implementation to apply new strength
-        mStrength = strength;
-        return RetCode::SUCCESS;
-    }
+    RetCode setVrStrength(int strength);
     int getVrStrength() const { return mStrength; }
 
   private: