8309671: Avoid using jvmci.Compiler property to determine if Graal is enabled

Reviewed-by: dnsimon, sspitsyn

Author: Yudi Zheng

test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitor.java

@@ -252,10 +252,9 @@ private static boolean getCheckLines() {
 
       VMOption enableJVMCI = bean.getVMOption("EnableJVMCI");
       VMOption useJVMCICompiler = bean.getVMOption("UseJVMCICompiler");
-      String compiler = System.getProperty("jvmci.Compiler");
 
       checkLines = !(enableJVMCI.getValue().equals("true")
-          && useJVMCICompiler.getValue().equals("true") && compiler.equals("graal"));
+          && useJVMCICompiler.getValue().equals("true"));
     } catch (Exception e) {
       // NOP.
     }

test/lib/jdk/test/whitebox/code/Compiler.java

@@ -63,7 +63,6 @@ public static boolean isJVMCIEnabled() {
      * Graal is enabled if following conditions are true:
      * - we are not in Interpreter mode
      * - UseJVMCICompiler flag is true
-     * - jvmci.Compiler variable is equal to 'graal'
      * - TieredCompilation is not used or TieredStopAtLevel is greater than 3
      * No need to check client mode because it set UseJVMCICompiler to false.
      *