Add *_remote_toolchain_inputs files for OpenJDK 21

Add *_remote_toolchain_inputs files for OpenJDK 21 so that RBE
can populate the toolchain dependencies.

Bug: 302395149
Test: ./update.sh 11150980
Change-Id: I6e5010e30d975312949f2d420daba057a55739bb

linux-x86/bin/java_remote_toolchain_inputs

@@ -0,0 +1,19 @@
+../lib/libjli.so
+../lib/jrt-fs.jar
+../lib/jvm.cfg
+../lib/server/libjvm.so
+../lib/libverify.so
+../lib/libjava.so
+../lib/libzip.so
+../lib/libjimage.so
+../lib/modules
+../lib/libnio.so
+../lib/libjimage.so
+../lib/libnet.so
+../lib/tzdb.dat
+../lib/libawt.so
+../lib/libawt_headless.so
+../lib/libjavajpeg.so
+../lib/liblcms.so
+../lib/libmanagement.so
+../lib/libmanagement_ext.so

linux-x86/bin/javac_remote_toolchain_inputs

@@ -0,0 +1,12 @@
+../lib/libjli.so
+../lib/jvm.cfg
+../lib/server/libjvm.so
+../lib/libverify.so
+../lib/libjava.so
+../lib/libzip.so
+../lib/libjimage.so
+../lib/modules
+../lib/libnio.so
+../lib/libjimage.so
+../lib/libnet.so
+../lib/tzdb.dat