[build/android] Replace version_codes.O_MR1 with OREO_MR1

Depends on:
https://chromium-review.googlesource.com/c/catapult/+/1032790

Bug: 831199
Change-Id: If395a0a33ba5ae7cb64db11c693a43030aad1838
Reviewed-on: https://chromium-review.googlesource.com/1032748Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Juan Antonio Navarro Pérez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#554728}

build/android/pylib/constants/__init__.py

@@ -95,7 +95,7 @@ DEVICE_PERF_OUTPUT_DIR = (
 
 SCREENSHOTS_DIR = os.path.join(DIR_SOURCE_ROOT, 'out_screenshots')
 
-ANDROID_SDK_VERSION = version_codes.O_MR1
+ANDROID_SDK_VERSION = version_codes.OREO_MR1
 ANDROID_SDK_BUILD_TOOLS_VERSION = '27.0.3'
 ANDROID_SDK_ROOT = os.path.join(DIR_SOURCE_ROOT,
                                 'third_party', 'android_tools', 'sdk')