Audio Effect : Add base implementation of commandImpl method

Removing code repeatation and moving this method to base class.
Effect implementations can override enable, disable and reset methods.

Bug: 305866207
Test: atest --test-mapping hardware/interfaces/audio/aidl/vts:presubmit
Change-Id: Iceb7ad51185d6f6bd2b6d70a5a1dd51e7bd37276
diff --git a/audio/aidl/default/EffectContext.cpp b/audio/aidl/default/EffectContext.cpp
index 7b8cfb1..5539177 100644
--- a/audio/aidl/default/EffectContext.cpp
+++ b/audio/aidl/default/EffectContext.cpp
@@ -242,4 +242,17 @@
     LOG(VERBOSE) << __func__ << " : signal client for reopen";
     return RetCode::SUCCESS;
 }
+
+RetCode EffectContext::enable() {
+    return RetCode::SUCCESS;
+}
+
+RetCode EffectContext::disable() {
+    return RetCode::SUCCESS;
+}
+
+RetCode EffectContext::reset() {
+    return RetCode::SUCCESS;
+}
+
 }  // namespace aidl::android::hardware::audio::effect