Use angle quotation marks (Guillemets) for [*-CH], tdf#115493 related

Source:
https://en.wikipedia.org/wiki/Quotation_mark#French
https://de.wikipedia.org/wiki/Anf%C3%BChrungszeichen#Schweiz,_Liechtenstein,_Frankreich

Change-Id: I015e8d68aecdc7c7ca3620105b7a2685648438d5

i18npool/source/localedata/data/fr_CH.xml

@@ -42,8 +42,8 @@
       <LongDateYearSeparator> </LongDateYearSeparator>
     </Separators>
     <Markers>
-      <QuotationStart>‘</QuotationStart>
-      <QuotationEnd>’</QuotationEnd>
+      <QuotationStart>‹</QuotationStart>
+      <QuotationEnd>›</QuotationEnd>
       <DoubleQuotationStart>«</DoubleQuotationStart>
       <DoubleQuotationEnd>»</DoubleQuotationEnd>
     </Markers>

i18npool/source/localedata/data/it_CH.xml

@@ -42,10 +42,10 @@
       <LongDateYearSeparator> </LongDateYearSeparator>
     </Separators>
     <Markers>
-      <QuotationStart>‘</QuotationStart>
-      <QuotationEnd>’</QuotationEnd>
-      <DoubleQuotationStart>“</DoubleQuotationStart>
-      <DoubleQuotationEnd>”</DoubleQuotationEnd>
+      <QuotationStart>‹</QuotationStart>
+      <QuotationEnd>›</QuotationEnd>
+      <DoubleQuotationStart>«</DoubleQuotationStart>
+      <DoubleQuotationEnd>»</DoubleQuotationEnd>
     </Markers>
     <TimeAM>a.m.</TimeAM>
     <TimePM>p.m.</TimePM>