Update android_min_sdk_version/android_target_sdk_version

Author: snnn

tools/ci_build/github/android/default_qnn_aar_build_settings.json

@@ -2,8 +2,8 @@
     "build_abis": [
         "arm64-v8a"
     ],
-    "android_min_sdk_version": 21,
-    "android_target_sdk_version": 24,
+    "android_min_sdk_version": 24,
+    "android_target_sdk_version": 34,
     "build_params": [
         "--enable_lto",
         "--android",

tools/ci_build/github/android/training_full_aar_build_settings.json

@@ -5,8 +5,8 @@
         "x86",
         "x86_64"
     ],
-    "android_min_sdk_version": 21,
-    "android_target_sdk_version": 24,
+    "android_min_sdk_version": 24,
+    "android_target_sdk_version": 34,
     "build_params": [
         "--enable_lto",
         "--android",

tools/ci_build/github/js/react_native_e2e_full_aar_build_settings.json

@@ -2,8 +2,8 @@
     "build_abis": [
         "x86_64"
     ],
-    "android_min_sdk_version": 21,
-    "android_target_sdk_version": 24,
+    "android_min_sdk_version": 24,
+    "android_target_sdk_version": 34,
     "build_params": [
         "--android",
         "--parallel",