Implement out-of-band metadata images.

This saves a lot of HIDL bandwidth, by not including raw image data in
metadata vector.

Bug: b/63702941
Test: VTS
Change-Id: I73d5218095e4af34c58da8dcfc520abd4cb46c26
diff --git a/current.txt b/current.txt
index e85920f..a0cf616 100644
--- a/current.txt
+++ b/current.txt
@@ -189,7 +189,7 @@
 
 # ABI preserving changes to HALs released in Android O
 
-8a4082dbc7f5eef585dca841b2656ba62d6c7e10e25dd05507ead15d96224f4c android.hardware.broadcastradio@1.0::types
+150a338ce11fcec70757c9675d83cf6a5d7b40d0c812741b91671fecce59eac9 android.hardware.broadcastradio@1.0::types
 760485232f6cce07f8bb05e3475509956996b702f77415ee5bff05e2ec5a5bcc android.hardware.dumpstate@1.0::IDumpstateDevice
 1fecfa1609ff9d27ebf761a84b4336efa9d5dac5b241f19a6663f70d8db2c4b1 android.hardware.radio@1.0::IRadioResponse
 28e929b453df3d9f5060af2764e6cdb123ddb893e3e86923c877f6ff7e5f02c9 android.hardware.wifi@1.0::types