stagefright: always add pts info if max pts gap is set

bug: 31442520
Change-Id: If23d402f6649ad4e8928d14d271accd1f2415a2e
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index e025653..26b41d0 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -827,11 +827,11 @@
                 int64_t timestampGapUs = originalTimeUs - mPrevOriginalTimeUs;
                 timeUs = (timestampGapUs < mMaxTimestampGapUs ?
                     timestampGapUs : mMaxTimestampGapUs) + mPrevModifiedTimeUs;
-                mOriginalTimeUs.add(timeUs, originalTimeUs);
-                ALOGV("IN  timestamp: %lld -> %lld",
-                    static_cast<long long>(originalTimeUs),
-                    static_cast<long long>(timeUs));
             }
+            mOriginalTimeUs.add(timeUs, originalTimeUs);
+            ALOGV("IN  timestamp: %lld -> %lld",
+                static_cast<long long>(originalTimeUs),
+                static_cast<long long>(timeUs));
         }
 
         mPrevOriginalTimeUs = originalTimeUs;