Camera: Update color filter array comment about monochrome camera

Trivial doc update.

Test: Camera CTS
Bug: 70216652
Change-Id: Icc4e5e42028ba0d86fa5ac6fabe24d16b46dd04a
diff --git a/current.txt b/current.txt
index ef83acc..be6ff6b 100644
--- a/current.txt
+++ b/current.txt
@@ -388,6 +388,7 @@
 2a55e224aa9bc62c0387cd85ad3c97e33f0c33a4e1489cbae86b2523e6f9df35 android.hardware.camera.device@3.2::ICameraDevice
 f61b616732d8f374e030f90575d7eba3ecc99d209a05b945949ba892bcb81e1d android.hardware.camera.device@3.2::ICameraDeviceSession
 684702a60deef03a1e8093961dc0a18c555c857ad5a77ba7340b0635ae01eb70 android.hardware.camera.device@3.4::ICameraDeviceSession
+291638a1b6d4e63283e9e722ab5049d9351717ffa2b66162124f84d1aa7c2835 android.hardware.camera.metadata@3.2::types
 dd2436f251a90f3e5e7ed773b1aeae21e381b00ae26b10ebe3a1001c894e5980 android.hardware.camera.metadata@3.3::types
 da33234403ff5d60f3473711917b9948e6484a4260b5247acdafb111193a9de2 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
 d702fb01dc2a0733aa820b7eb65435ee3334f75632ef880bafd2fb8803a20a58 android.hardware.gnss@1.0::IGnssMeasurementCallback