Android: Use JDK11 for java_binary() targets

This was supposed to already be the case... but in reality it was still
using "java" from $PATH.

Bug: 693079
Change-Id: I434dbc85348cb50ecde7ca3ffea3c3de2d27a518
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1953397
Commit-Queue: Peter Wen <wnwen@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#723111}

build/android/gyp/create_java_binary_script.py

@@ -64,7 +64,7 @@ java_cmd.extend(
     ['-classpath', ':'.join(classpath), '-enableassertions', \"{main_class}\"])
 java_cmd.extend(extra_program_args)
 java_cmd.extend(jar_arguments)
-os.execvp('java', java_cmd)
+os.execvp(java_cmd[0], java_cmd)
 """
 
 def main(argv):