zr_low_power_mode: corrected the time duration logic

[hattikals]

corrected the time duration logic

[OpenConfigBot]

Pull Request Functional Test Report for #3754 / 544f7c2

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Cisco 8000E		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Cisco XRd		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Juniper ncPTX		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Nokia SR Linux		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Openconfig Lemming		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Cisco 8808		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Juniper PTX10008		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.
Nokia 7250 IXR-10e		TRANSCEIVER-13: Configuration: 400ZR Transceiver Low Power Mode Setting.

Help

[coveralls]

Pull Request Test Coverage Report for Build 13518721485

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 18.205%

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Totals
Change from base Build 13514438655:	0.0%
Covered Lines:	2479
Relevant Lines:	13617

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💛 - Coveralls