[automerger skipped] Merge "Add one metrics field to record the cause of DNS query internal error" into rvc-dev am: 8128fed2c4 am: cafe0c44b8 -s ours
am skip reason: Change-Id I2214089ed7b350c2f4d9e86131c0568164192875 with SHA-1 739b1d7951 is in history
Change-Id: I43f96411d552611e5f9ebca6b1508d7a413a1f0b
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