Manta: NFC: Set pre-poweroff timeout to 10ms.

This gives the SE a chance to finish any ongoing
transaction, to prevent any bricking.

Bug: 7612176
Change-Id: I00d946d7b8784dd8bf4f048b0a8b43c1ff30f205
diff --git a/nfc/libnfc-brcm.conf b/nfc/libnfc-brcm.conf
index 6b835a7..47592d7 100644
--- a/nfc/libnfc-brcm.conf
+++ b/nfc/libnfc-brcm.conf
@@ -46,7 +46,7 @@
 #    Delay after turning off chip, before USERIAL_close returns (default 0)
 #
 #POWER_ON_DELAY=300
-#PRE_POWER_OFF_DELAY=0
+PRE_POWER_OFF_DELAY=10
 #POST_POWER_OFF_DELAY=0
 
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