Use property_get_bool where possible

Make handling of boolean properties more readable and consistent by
using property_get_bool instead of parsing the result of property_get

Change-Id: I8490d0f0b41a92eab5131e0aac0ecdf704a63381
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 1476206..f8a6a4e 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -1658,9 +1658,7 @@
         // directly queuing to display, as this will even improve textureview
         // playback.
         {
-            char value[PROPERTY_VALUE_MAX];
-            if (property_get("persist.sys.media.avsync", value, NULL) &&
-                    (!strcmp("1", value) || !strcasecmp("true", value))) {
+            if (property_get_bool("persist.sys.media.avsync", false)) {
                 format->setInt32("auto-frc", 1);
             }
         }
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
index 3efa54c..6ec79e6 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDriver.cpp
@@ -478,9 +478,7 @@
         notifyListener_l(MEDIA_STOPPED);
     }
 
-    char value[PROPERTY_VALUE_MAX];
-    if (property_get("persist.debug.sf.stats", value, NULL) &&
-            (!strcmp("1", value) || !strcasecmp("true", value))) {
+    if (property_get_bool("persist.debug.sf.stats", false)) {
         Vector<String16> args;
         dump(-1, args);
     }