configstore: whitelist getpid call for arm64

Addresses:
01-01 00:00:03.416   964   964 E /vendor/bin/hw/android.hardware.configstore@1.0-service:
libminijail[964]: blocked syscall: getpid

Bug: 74394073
Test: weipingliao@ to test
Change-Id: Iaa836d1f0b3595a66dfb6af2dd78fdddb9d7272e
diff --git a/configstore/1.0/default/seccomp_policy/configstore@1.0-arm64.policy b/configstore/1.0/default/seccomp_policy/configstore@1.0-arm64.policy
index 43bf1fa..62d7e1d 100644
--- a/configstore/1.0/default/seccomp_policy/configstore@1.0-arm64.policy
+++ b/configstore/1.0/default/seccomp_policy/configstore@1.0-arm64.policy
@@ -40,6 +40,7 @@
 getrlimit: 1
 madvise: 1
 clock_gettime: 1
+getpid: 1
 
 # used during process crash by crash_dump to dump process info
 rt_sigprocmask: 1