Switch default execution strategy to racing for developer builds am: 524428a647

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/13292491

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I0895a2f8b01c54a852da9cb52a446326b72315d6
diff --git a/rbesetup.sh b/rbesetup.sh
index 3e78a57..da257b9 100644
--- a/rbesetup.sh
+++ b/rbesetup.sh
@@ -62,7 +62,10 @@
 function _set_rbe_vars() {
   unset USE_GOMA
   export USE_RBE="true"
-  export RBE_CXX_EXEC_STRATEGY="remote_local_fallback"
+  export RBE_CXX_EXEC_STRATEGY="racing"
+  export RBE_JAVAC_EXEC_STRATEGY="racing"
+  export RBE_R8_EXEC_STRATEGY="racing"
+  export RBE_D8_EXEC_STRATEGY="racing"
   export RBE_use_unified_cas_ops="true"
   export RBE_JAVAC=1
   export RBE_R8=1