dumpstate: Also pick up /sys/fs/pstore/console-ramoops-0 for LAST KMSG

(cherry pick from commit 7d0a762e)

Bug: 29639467
Change-Id: Iba0b1754eaebfb2b0624dcbef522b7d8456eeb50

cmds/dumpstate/dumpstate.cpp

@@ -67,6 +67,7 @@ static int control_socket_fd;
 static std::string suffix;
 
 #define PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops"
+#define ALT_PSTORE_LAST_KMSG "/sys/fs/pstore/console-ramoops-0"
 
 #define RAFT_DIR "/data/misc/raft/"
 #define RECOVERY_DIR "/cache/recovery"
@@ -779,6 +780,8 @@ static void dumpstate(const std::string& screenshot_path, const std::string& ver
     if (!stat(PSTORE_LAST_KMSG, &st)) {
         /* Also TODO: Make console-ramoops CAP_SYSLOG protected. */
         dump_file("LAST KMSG", PSTORE_LAST_KMSG);
+    } else if (!stat(ALT_PSTORE_LAST_KMSG, &st)) {
+        dump_file("LAST KMSG", ALT_PSTORE_LAST_KMSG);
     } else {
         /* TODO: Make last_kmsg CAP_SYSLOG protected. b/5555691 */
         dump_file("LAST KMSG", "/proc/last_kmsg");