android: swap log-in and log-out strings

updates ENG-2865

Had log in and log out backwards.

Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>

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

@@ -2,8 +2,8 @@
 <resources>
 
     <!-- Generic Strings -->
-    <string name="log_in">Log Out</string>
-    <string name="log_out">Log In</string>
+    <string name="log_in">Log In</string>
+    <string name="log_out">Log Out</string>
     <string name="none">None</string>
     <string name="connect">Connect</string>
     <string name="unknown_user">Unknown User</string>