Update felix SVN to  21 am: 29203a354d

Original change: https://googleplex-android-review.googlesource.com/c/device/google/felix/+/24185697

Change-Id: I7da5b736e9cc152112e27bfc217cfa8da9eef5c7
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/device-felix.mk b/device-felix.mk
index 86f55cd..c25c2e2 100644
--- a/device-felix.mk
+++ b/device-felix.mk
@@ -205,7 +205,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_VENDOR_PROPERTIES += \
-    ro.vendor.build.svn=20
+    ro.vendor.build.svn=21
 
 # Vibrator HAL
 PRODUCT_VENDOR_PROPERTIES +=\