Make Cronet use GN arg for min_sdk_version and bump android32_ndk_api_level

Java code can have per-target lower-than-default min_sdk_versions, but
the same is not true for native code. In order to increase
min_sdk_version for native code, it must be done globally.

Bug: 1116198, 1119402
Change-Id: Id6e55027f57bae26fc13b4338c4b16c462dfacf5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2367649Reviewed-by: Zhongyi Shi <zhongyi@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803202}

build/android/gyp/write_build_config.py

@@ -1816,7 +1816,7 @@ def main(argv):
                       'android_app_bundle'):
     deps_info['device_classpath'] = device_classpath
     if options.tested_apk_config:
-      deps_info['java_runtime_classpath_extended'] = (device_classpath_extended)
+      deps_info['device_classpath_extended'] = device_classpath_extended
 
   if options.type in ('android_apk', 'dist_jar'):
     all_interface_jars = []

build/config/android/internal_rules.gni

@@ -1469,7 +1469,7 @@ if (enable_java_templates) {
           "--min-api=$_min_sdk_version",
         ]
         if (defined(invoker.has_apk_under_test) && invoker.has_apk_under_test) {
-          args += [ "--input-paths=@FileArg($_rebased_build_config:deps_info:java_runtime_classpath_extended)" ]
+          args += [ "--input-paths=@FileArg($_rebased_build_config:deps_info:device_classpath_extended)" ]
         } else {
           args += [ "--input-paths=@FileArg($_rebased_build_config:deps_info:device_classpath)" ]
         }

build/config/android/rules.gni

@@ -2917,7 +2917,11 @@ if (enable_java_templates) {
           input_dex_filearg =
               "@FileArg(${_rebased_build_config}:final_dex:all_dex_files)"
           if (_enable_main_dex_list) {
-            main_dex_list_input_classes_filearg = "@FileArg(${_rebased_build_config}:deps_info:java_runtime_classpath_extended)"
+            if (defined(invoker.apk_under_test)) {
+              main_dex_list_input_classes_filearg = "@FileArg(${_rebased_build_config}:deps_info:device_classpath_extended)"
+            } else {
+              main_dex_list_input_classes_filearg = "@FileArg(${_rebased_build_config}:deps_info:device_classpath)"
+            }
           }
         } else {
           input_classes_filearg =

tools/mb/mb_config.pyl

@@ -2590,6 +2590,7 @@
       'mixins': ['cronet_common'],
       'gn_args': ('use_partition_alloc=false enable_reporting=true '
                   'use_hashed_jni_names=true '
+                  'default_min_sdk_version=16 '
                   'clang_use_default_sample_profile=false '
                   'enable_resource_whitelist_generation=false'),
     },