Enable CONFIG_QBASED_QP_OFFSET compiler flag by default

Change-Id: Ie325a64ba5b7cd0995849fde52a75f42cfddbbf4

build/cmake/aom_config_defaults.cmake

diff --git a/build/cmake/aom_config_defaults.cmake b/build/cmake/aom_config_defaults.cmake
index 0336cf7..ddab3cc 100644
--- a/build/cmake/aom_config_defaults.cmake
+++ b/build/cmake/aom_config_defaults.cmake
@@ -160,7 +160,7 @@
 set_aom_config_var(CONFIG_TMVP_IMPROVEMENT 1 "Enable TMVP improvement")
 set_aom_config_var(
   CONFIG_CCSO 1 "AV2 experiment flag to enable cross component sample offset.")
-set_aom_config_var(CONFIG_QBASED_QP_OFFSET 0
+set_aom_config_var(CONFIG_QBASED_QP_OFFSET 1
                    "AV2 experiment flag to adjust q_offset based on QP.")
 #
 # Variables in this section control optional features of the build system.