Updated WHEEL_TICK configArray documentation in VHAL.

It now specifies that the micrometers-per-wheel-tick values are static
and approximations.

Test: None
Bug: 169364681
Change-Id: Ia002bdcf7c9a91d82d8f6d543d2476d227256046
Merged-In: Ia002bdcf7c9a91d82d8f6d543d2476d227256046
(cherry picked from commit c0653a4452e34065c25442189784f205db3519b3)
diff --git a/current.txt b/current.txt
index e70aef0..3893d07 100644
--- a/current.txt
+++ b/current.txt
@@ -899,5 +899,6 @@
 2123482b69f3b531c88023aa2a007110e130efbf4ed68ac9ce0bc55d5e82bc8b android.hardware.wifi.supplicant@1.4::ISupplicantStaNetworkCallback
 0821f516e4d428bc15251969f7e19411c94d8f2ccbd99e1fc8168d8e49e38b0f android.hardware.wifi.supplicant@1.4::types
 4a087a308608d146b022ebc15633de989f5f4dfe1491a83fa41763290a82e40d android.hardware.automotive.vehicle@2.0::types
+70eb14415391f835fb218b43a1e25f5d6495f098f96fa2acaea70985e98e1ce8 android.hardware.automotive.vehicle@2.0::types
 
 # There should be no more HIDL HALs - please use AIDL instead.