Add javax.annotation.Generated as an explicit dep to jni_generator

This class exists in the default bootclasspath in JDK8, but not in
JDK 11. This dep makes the annotation processor work when used with
JDK 11's javac.

Bug: 693079
Change-Id: Ic5258aa0fd1b438d7ba0dd393f95b3a2b78d5c7e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1882066
Commit-Queue: Peter Wen <wnwen@chromium.org>
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709910}

base/android/jni_generator/BUILD.gn

@@ -106,6 +106,7 @@ java_annotation_processor("jni_processor") {
   deps = [
     "//base:jni_java",
     "//third_party/android_deps:com_squareup_javapoet_java",
+    "//third_party/android_deps:javax_annotation_jsr250_api_java",
     "//third_party/auto:auto_service_java",
     "//third_party/guava:guava_java",
   ]

third_party/android_deps/BUILD.gn

@@ -1075,6 +1075,13 @@ java_prebuilt("com_squareup_javapoet_java") {
   output_name = "com_squareup_javapoet"
 }
 
+# This is generated, do not edit. Update BuildConfigGenerator.groovy instead.
+java_prebuilt("javax_annotation_jsr250_api_java") {
+  jar_path = "libs/javax_annotation_jsr250_api/jsr250-api-1.0.jar"
+  output_name = "javax_annotation_jsr250_api"
+  supports_android = true
+}
+
 # This is generated, do not edit. Update BuildConfigGenerator.groovy instead.
 java_prebuilt("javax_inject_javax_inject_java") {
   jar_path = "libs/javax_inject_javax_inject/javax.inject-1.jar"
@@ -1791,16 +1798,6 @@ java_prebuilt("com_google_j2objc_j2objc_annotations_java") {
   visibility = [ ":*" ]
 }
 
-# This is generated, do not edit. Update BuildConfigGenerator.groovy instead.
-java_prebuilt("javax_annotation_jsr250_api_java") {
-  jar_path = "libs/javax_annotation_jsr250_api/jsr250-api-1.0.jar"
-  output_name = "javax_annotation_jsr250_api"
-
-  # To remove visibility constraint, add this dependency to
-  # //tools/android/roll/android_deps/build.gradle.
-  visibility = [ ":*" ]
-}
-
 # This is generated, do not edit. Update BuildConfigGenerator.groovy instead.
 java_prebuilt("net_sf_kxml_kxml2_java") {
   jar_path = "libs/net_sf_kxml_kxml2/kxml2-2.3.0.jar"

tools/android/roll/android_deps/build.gradle

@@ -114,6 +114,7 @@ dependencies {
 
     compile "com.android.support:multidex:1.0.0"
 
+    buildCompile "javax.annotation:jsr250-api:1.0"
     buildCompile "javax.inject:javax.inject:1"
 
     // Dagger