Revert "media: Increase the maximum ctts offset to be 2 seconds."

This reverts commit 414708370eeb5379c1ec869455ede9e086dc8ef4.

The original CL caused video timestamp bug.

Bug: 64357813
Change-Id: I5171ef7287fe8db063949f5bfff305c6c3ae20b7
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index d57efee..93d4f57 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -127,7 +127,7 @@
 
 private:
     enum {
-        kMaxCttsOffsetTimeUs = 2000000LL,  // 2 seconds
+        kMaxCttsOffsetTimeUs = 1000000LL,  // 1 second
         kSampleArraySize = 1000,
     };