Set "is_read" = 0 for missed calls.
Set "is_read" = 0 for missed calls.

This is needed for an upcoming change in call log that will show only
unread calls in the "new" section.

The field "new" will henceforth only be used for notification.

Bug: 5141185

Change-Id: Id24f815994ce90c89f5907c919ce95043a5d6217

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base