Add third_party/proto to runtime deps

Bug: b/270105162
Change-Id: I80e6f5c063cebb74da7ed4bf0e5fd7cb6be97b52
diff --git a/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt b/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt
index 5f11f3a..4b88830 100644
--- a/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt
+++ b/d8_r8/commonBuildSrc/src/main/kotlin/DependenciesPlugin.kt
@@ -425,6 +425,11 @@
     Paths.get("third_party", "nest", "nest_20180926_7c6cfb.tar.gz.sha1").toFile(),
     DependencyType.X20)
   val proguards = getThirdPartyProguards()
+  val proto = ThirdPartyDependency(
+    "proto",
+    Paths.get("third_party", "proto").toFile(),
+    Paths.get("third_party", "proto.tar.gz.sha1").toFile(),
+    DependencyType.X20)
   val protobufLite = ThirdPartyDependency(
     "protobuf-lite",
     Paths.get("third_party", "protobuf-lite").toFile(),
diff --git a/d8_r8/test_modules/tests_java_8/build.gradle.kts b/d8_r8/test_modules/tests_java_8/build.gradle.kts
index 25914d4..5c1ef38 100644
--- a/d8_r8/test_modules/tests_java_8/build.gradle.kts
+++ b/d8_r8/test_modules/tests_java_8/build.gradle.kts
@@ -98,6 +98,7 @@
     ThirdPartyDeps.clank,
     ThirdPartyDeps.framework,
     ThirdPartyDeps.nest,
+    ThirdPartyDeps.proto,
     ThirdPartyDeps.protobufLite,
     ThirdPartyDeps.retraceInternal)
     + ThirdPartyDeps.internalIssues