stagefright: allow P-frames spacing of 0 and 1

Bug: 17387418
Change-Id: Ib966496b4ca220d96fb3741c29002c13cd2db848
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 19a5908..9b03b71 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -2313,7 +2313,6 @@
         return 0;
     }
     OMX_U32 ret = frameRate * iFramesInterval;
-    CHECK(ret > 1);
     return ret;
 }
 
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 78758da..a8806c8 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -994,7 +994,6 @@
         return 0;
     }
     OMX_U32 ret = frameRate * iFramesInterval - 1;
-    CHECK(ret > 1);
     return ret;
 }