Add args for Android builds.

android_args.gn

@@ -0,0 +1,43 @@
+google_api_key = ""
+google_default_client_id = ""
+google_default_client_secret = ""
+enable_stripping = true
+is_official_build = true
+is_debug = false
+dcheck_always_on = false
+exclude_unwind_tables = true
+enable_debugallocation = false
+enable_iterator_debugging = false
+enable_resource_allowlist_generation = false
+enable_profiling = false
+is_component_build = false
+symbol_level = 0
+optimize_webui = true
+use_lld = true
+blink_symbol_level=0
+enable_precompiled_headers = false
+media_use_ffmpeg = true
+media_use_libvpx = true
+enable_hls_sample_aes = true
+enable_ink = false
+enable_discovery = true
+proprietary_codecs = true
+ffmpeg_branding = "Chrome"
+enable_ffmpeg_video_decoders = true
+use_vr_assets_component = true
+enable_widevine = true
+enable_media_drm_storage = true
+enable_media_overlay = true
+enable_hangout_services_extension = true
+enable_vr = true
+enable_platform_hevc = true
+enable_platform_hevc_decoding = true
+enable_platform_ac3_eac3_audio = true
+enable_platform_dolby_vision = true
+enable_platform_mpeg_h_audio = true
+enable_mse_mpeg2ts_stream_parser = true
+enable_platform_encrypted_hevc = true
+use_thin_lto = true
+thin_lto_enable_optimizations = true
+target_os = "android"
+target_cpu = "arm64"