[res] Allow accessing idmap files in all zygotes

Resources now cache open idmap fds to speed up the up-to-date
checks, and this requires zygote processes to be able to access
them

Bug: 282215580
Test: atest android.text.cts.EmojiTest
Change-Id: I808be8a5d321a01193e7f76e316f5f64d4235753
diff --git a/private/app_zygote.te b/private/app_zygote.te
index e3869cd..b51f633 100644
--- a/private/app_zygote.te
+++ b/private/app_zygote.te
@@ -93,6 +93,10 @@
 # Allow app_zygote to access odsign verification status
 get_prop(app_zygote, odsign_prop)
 
+# /data/resource-cache
+allow app_zygote resourcecache_data_file:file r_file_perms;
+allow app_zygote resourcecache_data_file:dir r_dir_perms;
+
 #####
 ##### Neverallow
 #####
diff --git a/private/webview_zygote.te b/private/webview_zygote.te
index 0556950..1e32c1f 100644
--- a/private/webview_zygote.te
+++ b/private/webview_zygote.te
@@ -93,6 +93,10 @@
 # Allow webview_zygote to access odsign verification status
 get_prop(zygote, odsign_prop)
 
+# /data/resource-cache
+allow webview_zygote resourcecache_data_file:file r_file_perms;
+allow webview_zygote resourcecache_data_file:dir r_dir_perms;
+
 #####
 ##### Neverallow
 #####