[String changes] Updating strings as per the suggestion in b/318837875.

Change-Id: I13a0fd0c46d918ca5dfba8158955c24879b01b47
Test: Manual
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 7291fad..51fa550 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -11613,9 +11613,9 @@
       other   {# SIMs are available on this device, but only one can be used at a time}
     }</string>
     <!-- String indicating that we are activating the profile [CHAR LIMIT=NONE] -->
-    <string name="choose_sim_activating">Activating<xliff:g id="ellipsis" example="...">&#8230;</xliff:g></string>
+    <string name="choose_sim_activating">Turning on<xliff:g id="ellipsis" example="...">&#8230;</xliff:g></string>
     <!-- String indicating that we failed to activate the selected profile [CHAR LIMIT=NONE] -->
-    <string name="choose_sim_could_not_activate">Couldn\u2019t activate this SIM right now</string>
+    <string name="choose_sim_could_not_activate">Couldn\u2019t turn on this SIM right now</string>
 
     <!-- Strings for switch SIM confirmation dialog. -->
     <!--  The title text of switch SIM confirmation dialog. [CHAR LIMIT=NONE] -->