[minor] mark scripts as executable

if a filename ends with `.py` and  the file begins with '#!.*python.*',
make it executable.

Change-Id: I41de516ff37343d3b0979bde9fd61813aec7365c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/254439
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/gn/call.py b/gn/call.py
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diff --git a/gn/checkdir.py b/gn/checkdir.py
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diff --git a/gn/codesign_ios.py b/gn/codesign_ios.py
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diff --git a/gn/cp.py b/gn/cp.py
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diff --git a/gn/create_sksl_enums.py b/gn/create_sksl_enums.py
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diff --git a/gn/find_msvc.py b/gn/find_msvc.py
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diff --git a/gn/find_xcode_sysroot.py b/gn/find_xcode_sysroot.py
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diff --git a/gn/gen_plist_ios.py b/gn/gen_plist_ios.py
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diff --git a/gn/gn_to_bp.py b/gn/gn_to_bp.py
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diff --git a/gn/gn_to_bp_utils.py b/gn/gn_to_bp_utils.py
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diff --git a/gn/gn_to_cmake.py b/gn/gn_to_cmake.py
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diff --git a/gn/highest_version_dir.py b/gn/highest_version_dir.py
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diff --git a/gn/toolchain/num_cpus.py b/gn/toolchain/num_cpus.py
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diff --git a/infra/bots/android_compile/trigger_wait_ac_task.py b/infra/bots/android_compile/trigger_wait_ac_task.py
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diff --git a/infra/bots/assets/asset_utils.py b/infra/bots/assets/asset_utils.py
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diff --git a/infra/bots/assets/asset_utils_test.py b/infra/bots/assets/asset_utils_test.py
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diff --git a/infra/bots/check_deps.py b/infra/bots/check_deps.py
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diff --git a/infra/bots/g3_compile/trigger_wait_g3_task.py b/infra/bots/g3_compile/trigger_wait_g3_task.py
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diff --git a/infra/bots/gen_compile_isolate.py b/infra/bots/gen_compile_isolate.py
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diff --git a/infra/bots/git_utils.py b/infra/bots/git_utils.py
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diff --git a/infra/bots/recipe_modules/flavor/resources/win_ssh_cmd.py b/infra/bots/recipe_modules/flavor/resources/win_ssh_cmd.py
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diff --git a/infra/bots/test_utils.py b/infra/bots/test_utils.py
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diff --git a/infra/bots/utils.py b/infra/bots/utils.py
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diff --git a/infra/bots/zip_utils.py b/infra/bots/zip_utils.py
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diff --git a/infra/bots/zip_utils_test.py b/infra/bots/zip_utils_test.py
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diff --git a/platform_tools/android/skp_gen/android_skp_capture.py b/platform_tools/android/skp_gen/android_skp_capture.py
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diff --git a/tools/android/measure_fps.py b/tools/android/measure_fps.py
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diff --git a/tools/android/upload_to_android.py b/tools/android/upload_to_android.py
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diff --git a/tools/calmbench/ab.py b/tools/calmbench/ab.py
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diff --git a/tools/calmbench/calmbench.py b/tools/calmbench/calmbench.py
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index 4bef485..9aa271a
--- a/tools/calmbench/calmbench.py
+++ b/tools/calmbench/calmbench.py
@@ -1,4 +1,4 @@
-#!/usr/bin/pyton
+#!/usr/bin/python
 
 # Copyright 2017 Google Inc.
 #
diff --git a/tools/chrome_release_branch.py b/tools/chrome_release_branch.py
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diff --git a/tools/embed_resources.py b/tools/embed_resources.py
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diff --git a/tools/find_run_binary.py b/tools/find_run_binary.py
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diff --git a/tools/fix_pythonpath.py b/tools/fix_pythonpath.py
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diff --git a/tools/fonts/generate_fir_coeff.py b/tools/fonts/generate_fir_coeff.py
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diff --git a/tools/infra/git.py b/tools/infra/git.py
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diff --git a/tools/infra/go.py b/tools/infra/go.py
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diff --git a/tools/rebaseline/toggle_legacy_flag.py b/tools/rebaseline/toggle_legacy_flag.py
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diff --git a/tools/retrieve_from_googlesource.py b/tools/retrieve_from_googlesource.py
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diff --git a/tools/rewrite_includes.py b/tools/rewrite_includes.py
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diff --git a/tools/skottie-wasm-perf/parse_perf_csvs.py b/tools/skottie-wasm-perf/parse_perf_csvs.py
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diff --git a/tools/skp/generate_page_set.py b/tools/skp/generate_page_set.py
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diff --git a/tools/skp/webpages_playback.py b/tools/skp/webpages_playback.py
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diff --git a/tools/svg/svg_downloader.py b/tools/svg/svg_downloader.py
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