Notice of Filing of Proposed Rule Change Relating to the Listing and Trading of the Shares of the PowerShares DB Optimum Yield Diversified Commodity Strategy Portfolio, PowerShares Agriculture Commodity Strategy Portfolio, PowerShares Precious Metals Commodity Strategy Portfolio, PowerShares Energy Commodity Strategy Portfolio, PowerShares Base Metals Commodity Strategy Portfolio and PowerShares Bloomberg Commodity Strategy Portfolio, Each a Series of PowerShares Actively Managed Exchange-Traded Commodity Fund Trust