Android: update patch size reference APKs for m59.

Also change the CURRENT_MILESTONE to 59 and make the docs a little
easier to follow.

BUG=
TBR=agrieve@chromium.org

Review-Url: https://codereview.chromium.org/2820163003
Cr-Original-Commit-Position: refs/heads/master@{#465039}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: fb11d048bac3ddc72bb78399e5b7e8057fd050c7

android/binary_size/apk_downloader.py

@@ -15,7 +15,7 @@ sys.path.append(os.path.join(host_paths.DIR_SOURCE_ROOT, 'build'))
 import find_depot_tools  # pylint: disable=import-error,unused-import
 import download_from_google_storage
 
-CURRENT_MILESTONE = '58'
+CURRENT_MILESTONE = '59'
 DEFAULT_BUCKET = 'gs://chromium-android-tools/apks'
 DEFAULT_DOWNLOAD_PATH = os.path.join(os.path.dirname(__file__), 'apks')
 DEFAULT_BUILDER = 'Android_Builder'

android/binary_size/apks/Android_Builder/59/ChromeModernPublic.apk.sha1

@@ -0,0 +1 @@
+286671da954e55a708481042276d209f769d3af8

android/binary_size/apks/Android_Builder/59/ChromePublic.apk.sha1

@@ -0,0 +1 @@
+b7d2c8299b263d33e76b9d845bfea7631cca1fc2

android/binary_size/apks/Android_Builder/59/MonochromePublic.apk.sha1

@@ -0,0 +1 @@
+e292bd4db30461f755188059a5ca31053b6720b8

android/binary_size/apks/Android_arm64_Builder/59/ChromeModernPublic.apk.sha1

@@ -0,0 +1 @@
+62897dbec4761546b9c94e258c99c51dc816c1a9

android/binary_size/apks/Android_arm64_Builder/59/ChromePublic.apk.sha1

@@ -0,0 +1 @@
+9f2e5aee1ca7d8a88e05587137a0f4859e76296b

android/binary_size/apks/README.md

@@ -4,21 +4,24 @@
 latest builds are m59, we want to compare to the commit before the m58 branch
 point).
 
-2. Download and unzip build artifacts from the relevant perf builder. You can
-use this link:
-[https<nolink>://storage.cloud.google.com/chrome-perf/**Android%20Builder**/full-build-linux_**3a87aecc31cd1ffe751dd72c04e5a96a1fc8108a**.zip](https://storage.cloud.google.com/chrome-perf/Android%20Builder/full-build-linux_3a87aecc31cd1ffe751dd72c04e5a96a1fc8108a.zip)
-, replacing the bolded parts with your info OR from the
-"gsutil upload_build_product" step on the bot page (both are Googlers only).
+2. Download and unzip build artifacts from the relevant perf builder.
 
-3. Upload the apk: _upload_to_google_storage.py --bucket
-'chromium-android-tools/apks/**Android_Builder**/**58**'
-**path/to/ApkTarget.apk**_ replacing the bolded parts again.
-  * Note that we use **Android_Builder** instead of **Android Builder** (replace
-spaces with underscores)
+    gsutil.py cp 'gs://chrome-perf/Android Builder/full-build-linux_COMMITHASH.zip' /dest/dir
 
-4. Move the generated .sha1 file to the corresponding place in
-//build/android/binary_size/apks/. In this case, the path would be
-//build/android/binary_size/apks/Android_Builder/58
+3. Unzip. Steps 4, 5, and 6 must be done for MonochromePublic.apk for
+`gs://chrome-perf/Android Builder` and ChromeModernPublic.apk for
+`gs://chrome-perf/Android arm64 Builder` (and can be done for additional APKS,
+but these are the ones used by `build/android/resource_sizes.py`)
 
-5. Commit the added .sha1 files and (optionally) update the `CURRENT_MILESTONE`
+4. Upload the apk (replacing the bolded parts again - note that we use
+**Android_Builder** instead of **Android Builder** (replace spaces with
+underscores):
+
+    upload_to_google_storage.py --bucket 'chromium-android-tools/apks/Android_Builder/58' dest/dir/MonochromePublic.apk
+
+5. Move the generated .sha1 file to the corresponding place in
+`//build/android/binary_size/apks/`. In this case, the path would be
+`//build/android/binary_size/apks/Android_Builder/58`
+
+6. Commit the added .sha1 files and (optionally) update the `CURRENT_MILESTONE`
 in apk_downloader.py