Change system property of Bramble to place keyboard 10 dp higher

Bug: 155500905
Change-Id: I1881b39068adf75f53e9fe46123f305026395007
(cherry picked from commit e09cb149e6e1da121d880cf59d6dc5e5fdbe01eb)
diff --git a/device-bramble.mk b/device-bramble.mk
index 169eaf6..7069eb6 100644
--- a/device-bramble.mk
+++ b/device-bramble.mk
@@ -194,3 +194,6 @@
     SettingsOverlayG025I \
     SettingsOverlayG6QU3 \
     SettingsOverlayG025E
+
+# Keyboard bottom padding in dp for portrait mode
+PRODUCT_PRODUCT_PROPERTIES += ro.com.google.ime.kb_pad_port_b=10
\ No newline at end of file