[InstallAPI] Fixup dsym test (#87299)

Update the test to run when the compiler is built to support
arm64-darwin targets.

Author: cyndyishida

clang/test/InstallAPI/diagnostics-dsym.test

@@ -1,23 +1,24 @@
-; REQUIRES: 86_64-darwin
+; REQUIRES: system-darwin
+; REQUIRES: target-aarch64 
 
 ; RUN: rm -rf %t
 ; RUN: split-file %s %t
 
 // Build a simple dylib with debug info.
-; RUN: %clang --target=x86_64-apple-macos10.15 -g -dynamiclib %t/foo.c \
+; RUN: %clang --target=arm64-apple-macos11 -g -dynamiclib %t/foo.c \
 ; RUN: -current_version 1 -compatibility_version 1 -L%t/usr/lib \
 ; RUN: -save-temps \
 ; RUN: -o %t/foo.dylib -install_name %t/foo.dylib
 ; RUN: dsymutil %t/foo.dylib -o %t/foo.dSYM
 
-; RUN: not clang-installapi -x c++ --target=x86_64-apple-macos10.15 \
+; RUN: not clang-installapi -x c++ --target=arm64-apple-macos11 \
 ; RUN: -install_name %t/foo.dylib  \
 ; RUN: -current_version 1 -compatibility_version 1 \
 ; RUN: -o %t/output.tbd \
 ; RUN: --verify-against=%t/foo.dylib --dsym=%t/foo.dSYM \
 ; RUN: --verify-mode=Pedantic 2>&1 | FileCheck %s
 
-; CHECK: violations found for x86_64 
+; CHECK: violations found for arm64 
 ; CHECK: foo.c:5:0: error: no declaration found for exported symbol 'bar' in dynamic library
 ; CHECK: foo.c:1:0: error: no declaration found for exported symbol 'foo' in dynamic library
 
@@ -31,9 +32,9 @@ char bar = 'a';
 ;--- usr/lib/libSystem.tbd
 --- !tapi-tbd
 tbd-version:     4
-targets:         [ x86_64-macos ]
+targets:         [ arm64-macos ]
 install-name:    '/usr/lib/libSystem.B.dylib'
 exports: 
-  - targets: [ x86_64-macos ]
+  - targets: [ arm64-macos ]
     symbols: [ dyld_stub_binder ]
 ...