Updated text for issuer country (eu-digital-green-certificates#64)

Author: oleksandrsarapulovgl

app/src/main/res/layout/item_recovery.xml

@@ -94,7 +94,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="10dp"
-        android:text="@string/country_of_vaccination_title" />
+        android:text="@string/issuer_country" />
 
     <com.google.android.material.textview.MaterialTextView
         android:id="@+id/country_value"

app/src/main/res/layout/item_test.xml

@@ -109,7 +109,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="10dp"
-        android:text="@string/country_of_vaccination_title" />
+        android:text="@string/issuer_country" />
 
     <com.google.android.material.textview.MaterialTextView
         android:id="@+id/country_value"

app/src/main/res/layout/item_vaccination.xml

@@ -94,7 +94,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="10dp"
-        android:text="@string/country_of_vaccination_title" />
+        android:text="@string/issuer_country" />
 
     <com.google.android.material.textview.MaterialTextView
         android:id="@+id/country_value"

app/src/main/res/values/strings.xml

@@ -37,7 +37,7 @@
     <string name="date_of_vaccination_title">Date of Vaccination</string>
     <string name="total_series_of_doses_title">Total Series of Doses</string>
     <string name="dose_number_title">Dose Number</string>
-    <string name="country_of_vaccination_title">Country of Vaccination</string>
+    <string name="issuer_country">Issuer Country</string>
     <string name="disease_or_agent_targeted_title">Disease or agent targeted</string>
     <string name="date_of_test_collection_title">Date of Collection</string>
     <string name="date_of_test_result_title">Date of Test Result</string>