Move cloud_storage to catapult_base.

tools/telemetry/telemetry/core/platform/linux_platform_backend.py

Index: tools/telemetry/telemetry/core/platform/linux_platform_backend.py
diff --git a/tools/telemetry/telemetry/core/platform/linux_platform_backend.py b/tools/telemetry/telemetry/core/platform/linux_platform_backend.py
index 47651dc3aea45f6f9d92fda5f873708a3f520509..74ffd47b33230ec6419071f329e27c31292106ce 100644
--- a/tools/telemetry/telemetry/core/platform/linux_platform_backend.py
+++ b/tools/telemetry/telemetry/core/platform/linux_platform_backend.py
@@ -8,6 +8,7 @@ import platform
 import subprocess
 import sys
 
+from catapult_base import cloud_storage
 from catapult_base import support_binaries
 from telemetry.core.platform import linux_based_platform_backend
 from telemetry.core.platform import platform_backend
@@ -15,7 +16,6 @@ from telemetry.core.platform import posix_platform_backend
 from telemetry.core.platform.power_monitor import msr_power_monitor
 from telemetry.core import util
 from telemetry import decorators
-from telemetry.util import cloud_storage
 
 
 _POSSIBLE_PERFHOST_APPLICATIONS = [