Bump iOS min supported version to 10.0

Bug: webrtc:10329
Change-Id: Ica1f858624e952317bc6802b5e13c6f973ceb5ed
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/124830
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27017}
diff --git a/tools_webrtc/ios/build_ios_libs.py b/tools_webrtc/ios/build_ios_libs.py
index 46508cf..b0d28c0 100755
--- a/tools_webrtc/ios/build_ios_libs.py
+++ b/tools_webrtc/ios/build_ios_libs.py
@@ -33,7 +33,7 @@
 SDK_FRAMEWORK_NAME = 'WebRTC.framework'
 
 DEFAULT_ARCHS = ENABLED_ARCHS = ['arm64', 'arm', 'x64', 'x86']
-IOS_DEPLOYMENT_TARGET = '9.0'
+IOS_DEPLOYMENT_TARGET = '10.0'
 LIBVPX_BUILD_VP9 = False
 
 sys.path.append(os.path.join(SCRIPT_DIR, '..', 'libs'))