Move OWNER reference master=>main.

BUG=b/291759353

Change-Id: Iad1bae21b54ae1ed192960da9fd8b831709a2f87

Cronet/OWNERS

 set noparent
-file:platform/packages/modules/Connectivity:master:/OWNERS_core_networking
+file:platform/packages/modules/Connectivity:main:/OWNERS_core_networking

Cronet/tests/OWNERS

 # Bug component: 31808
 
 set noparent
-file:platform/packages/modules/Connectivity:master:/OWNERS_core_networking_xts
+file:platform/packages/modules/Connectivity:main:/OWNERS_core_networking_xts
 
 # TODO: Temp ownership to develop cronet CTS
 colibie@google.com #{LAST_RESORT_SUGGESTION}

OWNERS

 set noparent
-file:platform/packages/modules/Connectivity:master:/OWNERS_core_networking
+file:platform/packages/modules/Connectivity:main:/OWNERS_core_networking
 
-per-file **IpSec* = file:platform/frameworks/base:master:/services/core/java/com/android/server/vcn/OWNERS
\ No newline at end of file
+per-file **IpSec* = file:platform/frameworks/base:main:/services/core/java/com/android/server/vcn/OWNERS

tests/cts/OWNERS

 # Bug template url: http://b/new?component=31808
 # TODO: move bug template config to common owners file once b/226427845 is resolved
 set noparent
-file:platform/packages/modules/Connectivity:master:/OWNERS_core_networking_xts
+file:platform/packages/modules/Connectivity:main:/OWNERS_core_networking_xts
 
 # IPsec
 per-file **IpSec* = benedictwong@google.com, nharold@google.com

tests/native/connectivity_native_test/OWNERS

 # Bug template url: http://b/new?component=31808
 # TODO: move bug template config to common owners file once b/226427845 is resolved
 set noparent
-file:platform/packages/modules/Connectivity:master:/OWNERS_core_networking_xts
+file:platform/packages/modules/Connectivity:main:/OWNERS_core_networking_xts