Remove dependency on persist.hal.binderization.

Test: Manual use of Camera, Movies, Photos and YouTube apps.

Test: With CtsMediaTestCases.apk installed,
adb shell am instrument -e size small -w
'android.media.cts/android.support.test.runner.AndroidJUnitRunner'

Bug: 34274385
Change-Id: I5251fea337f33460d1f0db174cedc465822f2a47
diff --git a/services/mediacodec/main_codecservice.cpp b/services/mediacodec/main_codecservice.cpp
index 38717b5..3a4546b 100644
--- a/services/mediacodec/main_codecservice.cpp
+++ b/services/mediacodec/main_codecservice.cpp
@@ -54,9 +54,7 @@
     ::android::hardware::configureRpcThreadpool(64, false);
     sp<ProcessState> proc(ProcessState::self());
 
-    int32_t trebleOmx = property_get_int32("persist.media.treble_omx", -1);
-    if ((trebleOmx == 1) || ((trebleOmx == -1) &&
-            property_get_bool("persist.hal.binderization", 0))) {
+    if (property_get_bool("persist.media.treble_omx", true)) {
         using namespace ::android::hardware::media::omx::V1_0;
         sp<IOmx> omx = new implementation::Omx();
         if (omx == nullptr) {