I put the MSI and the MSP file in the same directory and used the "TARGET" property to point it to a different direct. However the installer still prompted me to type or browse to the correct directory. Here is what worked for me in the Command Prompt on Windows 10.
Microsoft Windows [Version 10.0.14393]
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C:\Users\labuser\Desktop\AIP>msiexec.exe /a AcroRdrDC1500720033_en_US.msi /p AcroRdrDCUpd1800920050.msp TARGET="C:\Users\labuser\Desktop\AIP\BUILD\"