carto/protobuf @ v3.15.3

Adam Cozzette 983d115bd9 Update protobuf version		4 年之前
..
src	51daaba638 Sync from Piper @355707933	4 年之前
BUILD	6bbd56dfd9 Bazel: Discontinue JDK 7 compatibility support	5 年之前
generate-sources-build.xml	49efe9d7db Restructuring protobuf to multiple modules	9 年之前
generate-test-sources-build.xml	cb390216cf Fixed the Java build.	5 年之前
pom.xml	983d115bd9 Update protobuf version	4 年之前