Merge "ToneGenerator: fix dual sim ringback tone"

am: 85e8823fc7

Change-Id: Ic77a7c6723b0483aeaac6c83e42722e7f6e6b7c5

media/libaudioclient/ToneGenerator.cpp

@@ -864,6 +864,13 @@ ToneGenerator::ToneGenerator(audio_stream_type_t streamType, float volume, bool
     if (property_get("gsm.operator.iso-country", value, "") == 0) {
         property_get("gsm.sim.operator.iso-country", value, "");
     }
+    // If dual sim device has two SIM cards inserted and is not registerd to any network,
+    // "," is set to "gsm.operator.iso-country" prop.
+    // In this case, "gsm.sim.operator.iso-country" prop should be used.
+    if (strlen(value) == 1 && strstr(value, ",") != NULL) {
+        property_get("gsm.sim.operator.iso-country", value, "");
+    }
+
     if (strstr(value, "us") != NULL ||
         strstr(value, "ca") != NULL) {
         mRegion = ANSI;