style: s/getZoneId/getZoneID/g

Acronyms are meant to be in the same case within their part of the camel
case name.

Change-Id: I9e55d4419617a35b0f3a85f3d55543c8fc9bd76f
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pid/zone.cpp b/pid/zone.cpp
index 2af3307..0c9718a 100644
--- a/pid/zone.cpp
+++ b/pid/zone.cpp
@@ -56,7 +56,7 @@
     return !_failSafeSensors.empty();
 }
 
-int64_t PIDZone::getZoneId(void) const
+int64_t PIDZone::getZoneID(void) const
 {
     return _zoneId;
 }