Update clang to r487747c

Bug: 281596081
Change-Id: I6a49d6b4d651759b240c5248a7de8fd2a2fb3a54
Test: presubmit
diff --git a/pvmfw/Android.bp b/pvmfw/Android.bp
index 0ae2203..c79605f 100644
--- a/pvmfw/Android.bp
+++ b/pvmfw/Android.bp
@@ -158,7 +158,7 @@
     ],
     out: ["lib.rs"],
     tools: ["dtc"],
-    cmd: "prebuilts/clang/host/linux-x86/clang-r487747/bin/clang " + // UGLY!!!
+    cmd: "prebuilts/clang/host/linux-x86/clang-r487747c/bin/clang " + // UGLY!!!
         "-E -P -x assembler-with-cpp -I external/arm-trusted-firmware/include " +
         "-o $(genDir)/preprocessed.dts $(location platform.dts) && " +
         "$(location dtc) -I dts -O dtb -o $(genDir)/compiled.dtbo $(genDir)/preprocessed.dts && " +