Minor parameter changes for deltaq

A little improvement of the order of -0.03-0.04%

STATS_CHANGED

Change-Id: I6616271cd0b7023a2e38ccb99e1be186731ce68d
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 3f7fce2..619e349 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -3550,7 +3550,7 @@
 }
 
 static int get_gfu_boost_from_r0(double r0) {
-  int boost = (int)rint(220.0 / r0);
+  int boost = (int)rint(260.0 / r0);
   return boost;
 }
 
diff --git a/av1/encoder/ratectrl.c b/av1/encoder/ratectrl.c
index e92f97e..0c29d44 100644
--- a/av1/encoder/ratectrl.c
+++ b/av1/encoder/ratectrl.c
@@ -83,8 +83,8 @@
 static int inter_minq_12[QINDEX_RANGE];
 static int rtc_minq_12[QINDEX_RANGE];
 
-static int gf_high = 2000;
-static int gf_low = 400;
+static int gf_high = 2400;
+static int gf_low = 300;
 static int kf_high = 5000;
 static int kf_low = 400;