Move test/libcxx/android/ to utils/libcxx/android/

This got refactored upstream.

Test: checkbuild and ./run_tests.py
Change-Id: I801869923cf7c51528de354f8a3da705f188ff43

utils/libcxx/android/executors.py

@@ -0,0 +1,65 @@
+import time
+
+import libcxx.test.executor
+
+from libcxx.android import adb
+from lit.util import executeCommand  # pylint: disable=import-error
+
+
+class AdbExecutor(libcxx.test.executor.RemoteExecutor):
+    def __init__(self, serial=None):
+        # TODO(danalbert): Should factor out the shared pieces of SSHExecutor
+        # so we don't have this ugly parent constructor...
+        super(AdbExecutor, self).__init__()
+        self.serial = serial
+        self.local_run = executeCommand
+
+    def _remote_temp(self, is_dir):
+        dir_arg = '-d' if is_dir else ''
+        cmd = 'mktemp -q {} /data/local/tmp/libcxx.XXXXXXXXXX'.format(dir_arg)
+        _, temp_path, err, exitCode = self._execute_command_remote([cmd])
+        temp_path = temp_path.strip()
+        if exitCode != 0:
+            raise RuntimeError(err)
+        return temp_path
+
+    def _copy_in_file(self, src, dst):  # pylint: disable=no-self-use
+        adb.push(src, dst)
+
+    def _execute_command_remote(self, cmd, remote_work_dir='.', env=None):
+        adb_cmd = ['adb', 'shell']
+        if self.serial:
+            adb_cmd.extend(['-s', self.serial])
+
+        delimiter = 'x'
+        probe_cmd = ' '.join(cmd) + '; echo {}$?'.format(delimiter)
+
+        env_cmd = []
+        if env is not None:
+            env_cmd = ['env'] + ['%s=%s' % (k, v) for k, v in env.items()]
+
+        remote_cmd = ' '.join(env_cmd + [probe_cmd])
+        if remote_work_dir != '.':
+            remote_cmd = 'cd {} && {}'.format(remote_work_dir, remote_cmd)
+
+        adb_cmd.append(remote_cmd)
+
+        # Tests will commonly fail with ETXTBSY. Possibly related to this bug:
+        # https://code.google.com/p/android/issues/detail?id=65857. Work around
+        # it by just waiting a second and then retrying.
+        for _ in range(10):
+            out, err, exit_code = self.local_run(adb_cmd)
+            if 'Text file busy' in out:
+                time.sleep(1)
+            else:
+                out, delim, rc_str = out.rpartition(delimiter)
+                if delim == '':
+                    continue
+
+                out = out.strip()
+                try:
+                    exit_code = int(rc_str)
+                    break
+                except ValueError:
+                    continue
+        return adb_cmd, out, err, exit_code