disable usage of plugins as static libs

Test: m auto_value_plugin
Test: m androidx.appsearch_appsearch-compiler
Test: m intdef-annotation-processor-test
Test: atest intdef-annotation-processor-test
Test: m view-inspector-annotation-processor-test
Test: atest view-inspector-annotation-processor-test
Test: m Robolectric_processor_tests
Test: atest Robolectric_processor_tests
Bug: 225388628
Change-Id: I9e3dd81f44333b680f2e81283c02a9be5a4de15b
diff --git a/java/base.go b/java/base.go
index 5802099..fe5c3e9 100644
--- a/java/base.go
+++ b/java/base.go
@@ -1908,6 +1908,9 @@
 			case bootClasspathTag:
 				deps.bootClasspath = append(deps.bootClasspath, dep.HeaderJars...)
 			case libTag, instrumentationForTag:
+				if _, ok := module.(*Plugin); ok {
+					ctx.ModuleErrorf("a java_plugin (%s) cannot be used as a libs dependency", otherName)
+				}
 				deps.classpath = append(deps.classpath, dep.HeaderJars...)
 				deps.dexClasspath = append(deps.dexClasspath, dep.HeaderJars...)
 				deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs...)
@@ -1916,6 +1919,9 @@
 			case java9LibTag:
 				deps.java9Classpath = append(deps.java9Classpath, dep.HeaderJars...)
 			case staticLibTag:
+				if _, ok := module.(*Plugin); ok {
+					ctx.ModuleErrorf("a java_plugin (%s) cannot be used as a static_libs dependency", otherName)
+				}
 				deps.classpath = append(deps.classpath, dep.HeaderJars...)
 				deps.staticJars = append(deps.staticJars, dep.ImplementationJars...)
 				deps.staticHeaderJars = append(deps.staticHeaderJars, dep.HeaderJars...)