FM: add vendor tag for vendor property value

Add vendor tag for vendor property value.
As per sepolicy rules vendor property should have
vendor tag so we renamed the ctl property to vendor
tag added.

CRs-Fixed: 2535758
Change-Id: I794729bec5d9c258863f6aa0ba2ea60aad9d6d1a
diff --git a/jni/android_hardware_fm.cpp b/jni/android_hardware_fm.cpp
index edf9b18..613b160 100644
--- a/jni/android_hardware_fm.cpp
+++ b/jni/android_hardware_fm.cpp
@@ -615,7 +615,7 @@
        property_set("vendor.hw.fm.mode", "normal");
        /* Need to clear the hw.fm.init firstly */
        property_set("vendor.hw.fm.init", "0");
-       property_set("ctl.start", "fm_dl");
+       property_set("ctl.start", "vendor.fm");
        sched_yield();
        for(i=0; i<45; i++) {
          property_get("vendor.hw.fm.init", value, NULL);
@@ -628,7 +628,7 @@
        }
        ALOGE("init_success:%d after %f seconds \n", init_success, 0.2*i);
        if(!init_success) {
-         property_set("ctl.stop", "fm_dl");
+         property_set("ctl.stop", "vendor.fm");
          // close the fd(power down)
          close(fd);
          return FM_JNI_FAILURE;
@@ -649,7 +649,7 @@
 
     if ((strcmp(value, "rome") != 0) && (strcmp(value, "hastings") != 0))
     {
-        property_set("ctl.stop", "fm_dl");
+        property_set("ctl.stop", "vendor.fm");
     }
     close(fd);
     return FM_JNI_SUCCESS;