libhwc2.1: vrrController: correct the refresh control enabled pattern

The refresh control enabled identifier is terminated by line feed character; during string comparison, the line feed character should be disregarded.

Bug: b/323554353
Test: verify when MRR writes to the refresh control node
Change-Id: Ia0db4d39784455d254d3a51dd9f9681eaa2823cd
2 files changed