updateParametersInContext() causes stateChanged() to be called

plugins/amoeba/openmmapi/src/AmoebaAngleForceImpl.cpp

@@ -64,4 +64,5 @@ std::vector<std::string> AmoebaAngleForceImpl::getKernelNames() {
 
 void AmoebaAngleForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaAngleForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/amoeba/openmmapi/src/AmoebaBondForceImpl.cpp

@@ -75,4 +75,5 @@ vector<pair<int, int> > AmoebaBondForceImpl::getBondedParticles() const {
 
 void AmoebaBondForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaBondForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/amoeba/openmmapi/src/AmoebaGeneralizedKirkwoodForceImpl.cpp

@@ -66,4 +66,5 @@ std::vector<std::string> AmoebaGeneralizedKirkwoodForceImpl::getKernelNames() {
 
 void AmoebaGeneralizedKirkwoodForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaGeneralizedKirkwoodForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/amoeba/openmmapi/src/AmoebaInPlaneAngleForceImpl.cpp

@@ -64,4 +64,5 @@ std::vector<std::string> AmoebaInPlaneAngleForceImpl::getKernelNames() {
 
 void AmoebaInPlaneAngleForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaInPlaneAngleForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/amoeba/openmmapi/src/AmoebaMultipoleForceImpl.cpp

@@ -206,6 +206,7 @@ void AmoebaMultipoleForceImpl::getSystemMultipoleMoments(ContextImpl& context, s
 
 void AmoebaMultipoleForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaMultipoleForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }
 
 void AmoebaMultipoleForceImpl::getPMEParameters(double& alpha, int& nx, int& ny, int& nz) const {

plugins/amoeba/openmmapi/src/AmoebaOutOfPlaneBendForceImpl.cpp

@@ -64,4 +64,5 @@ std::vector<std::string> AmoebaOutOfPlaneBendForceImpl::getKernelNames() {
 
 void AmoebaOutOfPlaneBendForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaOutOfPlaneBendForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/amoeba/openmmapi/src/AmoebaPiTorsionForceImpl.cpp

@@ -64,4 +64,5 @@ std::vector<std::string> AmoebaPiTorsionForceImpl::getKernelNames() {
 
 void AmoebaPiTorsionForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaPiTorsionForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/amoeba/openmmapi/src/AmoebaStretchBendForceImpl.cpp

@@ -64,4 +64,5 @@ std::vector<std::string> AmoebaStretchBendForceImpl::getKernelNames() {
 
 void AmoebaStretchBendForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcAmoebaStretchBendForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }

plugins/drude/openmmapi/src/DrudeForceImpl.cpp

@@ -154,6 +154,7 @@ vector<string> DrudeForceImpl::getKernelNames() {
 
 void DrudeForceImpl::updateParametersInContext(ContextImpl& context) {
     kernel.getAs<CalcDrudeForceKernel>().copyParametersToContext(context, owner);
+    context.systemChanged();
 }
 
 vector<pair<int, int> > DrudeForceImpl::getBondedParticles() const {