docs: darker font color
docs: darker font color

Change-Id: I8fe4117ac501001dd6c7156b337f3ff7a4f75793

xorware/android_build,xorware/android_build,xorware/android_build,knone1/platform_manifest,hagar006/platform_manifest,ND-3500/platform_manifest,Hybrid-Power/startsync,xorware/android_build,fallouttester/platform_manifest,xorware/android_build,RR-msm7x30/platform_manifest,pranav01/platform_manifest,see4ri/lolili