Restore symbol level for Android builds.

webrtc/build/mb_config.pyl

Index: webrtc/build/mb_config.pyl
diff --git a/webrtc/build/mb_config.pyl b/webrtc/build/mb_config.pyl
index 1b68c036d79be6b75e8c71277388aef8fa76c6ee..00709f5f7d7c8fdddc026c9755d5a96bf207f935 100644
--- a/webrtc/build/mb_config.pyl
+++ b/webrtc/build/mb_config.pyl
@@ -309,13 +309,13 @@
       'android', 'gn', 'debug_static_bot', 'arm'
     ],
     'android_gn_release_bot_arm': [
-      'android', 'gn', 'release_bot', 'minimal_symbols', 'arm'
+      'android', 'gn', 'release_bot', 'arm'
     ],
     'android_gn_debug_static_bot_x86': [
       'android', 'gn', 'debug_static_bot', 'x86'
     ],
     'android_gn_release_bot_x86': [
-      'android', 'gn', 'release_bot', 'minimal_symbols', 'x86'
+      'android', 'gn', 'release_bot', 'x86'
     ],
     'android_gn_clang_debug_bot_arm': [
       'android', 'gn', 'clang', 'debug_bot', 'arm'
@@ -327,17 +327,16 @@
       'android', 'gn', 'debug_static_bot', 'arm64'
     ],
     'android_gn_release_bot_arm64': [
-      'android', 'gn', 'release_bot', 'minimal_symbols', 'arm64'
+      'android', 'gn', 'release_bot', 'arm64'
     ],
     'android_gn_debug_static_bot_x64': [
       'android', 'gn', 'debug_static_bot', 'x64'
     ],
     'android_gn_asan_shared_release_bot_arm': [
-      'android', 'gn', 'asan', 'clang', 'shared', 'release_bot',
-      'minimal_symbols', 'arm'
+      'android', 'gn', 'asan', 'clang', 'shared', 'release_bot', 'arm'
     ],
     'swarming_android_gn_release_bot_arm': [
-      'swarming', 'android', 'gn', 'release_bot', 'minimal_symbols', 'arm'
+      'swarming', 'android', 'gn', 'release_bot', 'arm'
     ],
 
     # This is used for tracking purposes; any bot that uses this config