cm: Switch to CM Calendar and DateTimePicker forks

Bring in the improvements from CM 13.0.

Change-Id: I029effc4652ae9077b02f86d628957d355f5ef10

default.xml

@@ -308,7 +308,7 @@
   <project path="frameworks/opt/calendar" name="platform/frameworks/opt/calendar" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="frameworks/opt/chips" name="CyanogenMod/android_frameworks_opt_chips" groups="pdk-cw-fs,pdk-fs" />
   <project path="frameworks/opt/colorpicker" name="platform/frameworks/opt/colorpicker" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
-  <project path="frameworks/opt/datetimepicker" name="platform/frameworks/opt/datetimepicker" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
+  <project path="frameworks/opt/datetimepicker" name="CyanogenMod/android_frameworks_opt_datetimepicker" groups="pdk-fs" />
   <project path="frameworks/opt/emoji" name="platform/frameworks/opt/emoji" groups="pdk-cw-fs,pdk-fs" remote="aosp" />
   <project path="frameworks/opt/inputconnectioncommon" name="platform/frameworks/opt/inputconnectioncommon" groups="pdk-fs" remote="aosp" />
   <project path="frameworks/opt/inputmethodcommon" name="platform/frameworks/opt/inputmethodcommon" groups="pdk-cw-fs,pdk-fs" remote="aosp" />