Update user consent dialog for device log access

Consent dialog string update by removing ","

This codebase is the continuity of the implementation ag/16618162 to
obtain user consent and improvement of ag/16673548

Bug: 193708292
Test: NA
Ignore-AOSP-First: pending fix for logcat privacy issue

	modified:   core/res/res/values/strings.xml

Change-Id: I8739fc437da5326e9d7493b4faf6dff6202e93bf