Revert "Adjust media buffer GC threshold"

This reverts commit c17496bbe1a8fcb56b36708d27d5c0173bb69c19.

Reason for revert: Cobalt can remove some samples (not yet written to decoder) with lower media buffer GC threshold.

Change-Id: Ida3e78eb97312712f8940f158dc302a59bd33c49

src/third_party/starboard/rdk/shared/media/media_get_buffer_garbage_collection_duration_threshold.cc

diff --git a/src/third_party/starboard/rdk/shared/media/media_get_buffer_garbage_collection_duration_threshold.cc b/src/third_party/starboard/rdk/shared/media/media_get_buffer_garbage_collection_duration_threshold.cc
index e8f872e..4aa55ea 100644
--- a/src/third_party/starboard/rdk/shared/media/media_get_buffer_garbage_collection_duration_threshold.cc
+++ b/src/third_party/starboard/rdk/shared/media/media_get_buffer_garbage_collection_duration_threshold.cc
@@ -34,5 +34,5 @@
 #include "starboard/common/log.h"
 
 SbTime SbMediaGetBufferGarbageCollectionDurationThreshold() {
-  return 40 * kSbTimeSecond;
+  return 170 * kSbTimeSecond;
 }