msm: mdss: log rotator completion time
msm: mdss: log rotator completion time

Enabled logs for performance testing purposes

CRs-fixed: 433958
Change-Id: I67be767f6c15d41969c335e517640be259aa46fe
Signed-off-by: Sree Sesha Aravind Vadrevu <82b2d8b0bd3ba286d7f64b6c8e4070b752d7b65b@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas