read and store pb file from assets to CID table

Bug: 64131637
Test: Manual test with sample carrierlist.pb files
Change-Id: If9aa4eafc9326d6ebdc546b1afba4eea861f9a57
(cherry picked from commit 96e9c4a30ace3c95b06a6b42f70b7ed20fb614d0)
1 file changed