Create sdk_sandbox_all.

Rename sdk_sandbox to sdk_sandbox_34.
Additionally, Extract out parts of sdk_sandbox_34 to
sdk_sandbox_all.te that will be shared with all sdk_sandbox domains.

Bug: b/270148964
Test: atest PackageManagerLocalTest SdkSandboxDataIsolationHostTest
SdkSandboxRestrictionsTest

Change-Id: I36e0c8795148de83c81dfe12559452812aa2b25e
diff --git a/private/service_contexts b/private/service_contexts
index 69c4a94..a617016 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -383,6 +383,7 @@
 storaged                                  u:object_r:storaged_service:s0
 storaged_pri                              u:object_r:storaged_service:s0
 storagestats                              u:object_r:storagestats_service:s0
+# sdk_sandbox here refers to the service name, not the domain name.
 sdk_sandbox                               u:object_r:sdk_sandbox_service:s0
 SurfaceFlinger                            u:object_r:surfaceflinger_service:s0
 SurfaceFlingerAIDL                        u:object_r:surfaceflinger_service:s0