DivestOS issue for 32bit: https://github.com/Divested-Mobile/DivestOS-Build/blob/master/Patches/Common/android_frameworks_base/0007-ABI_Warning.patch#L83

AppWarnings.java

frameworks/base/services/core/java/com/android/server/wm/AppWarnings.java


    /**
     * Shows the "deprecated abi" warning, if necessary.
     *
     * @param r activity record for which the warning may be displayed
     */
    public void showDeprecatedAbiDialogIfNeeded(ActivityRecord r) {
        final String appAbi = r.info.applicationInfo.primaryCpuAbi;
        final boolean is64BitArmDevice = Arrays.stream(Build.SUPPORTED_64_BIT_ABIS).anyMatch("arm64-v8a"::equals);
        Log.w(TAG, "before: is64BitArmDevice: " + String.valueOf(is64BitArmDevice));
        Log.w(TAG, "before: appAbi: " + appAbi);
        if (is64BitArmDevice && appAbi != null && appAbi != "arm64-v8a") {
            Log.w(TAG, "within: is64BitArmDevice: " + String.valueOf(is64BitArmDevice));
            Log.w(TAG, "within: appAbi: " + appAbi);
            mUiHandler.showDeprecatedAbiDialog(r);
        }
    }

AppWarnings_fixed.java

frameworks/base/services/core/java/com/android/server/wm/AppWarnings.java


    /**
     * Shows the "deprecated abi" warning, if necessary.
     *
     * @param r activity record for which the warning may be displayed
     */
    public void showDeprecatedAbiDialogIfNeeded(ActivityRecord r) {
        final String appAbi = r.info.applicationInfo.primaryCpuAbi;
        final boolean is64BitArmDevice = Arrays.stream(Build.SUPPORTED_64_BIT_ABIS).anyMatch("arm64-v8a"::equals);
        Log.w(TAG, "before: is64BitArmDevice: " + String.valueOf(is64BitArmDevice));
        Log.w(TAG, "before: appAbi: " + appAbi);
        if (is64BitArmDevice && appAbi != null && !appAbi.equals("arm64-v8a")) {
            Log.w(TAG, "within: is64BitArmDevice: " + String.valueOf(is64BitArmDevice));
            Log.w(TAG, "within: appAbi: " + appAbi);
            mUiHandler.showDeprecatedAbiDialog(r);
        }
    }

result AppWarnings.java

12-06 14:47:06.514 3800 5993 W AppWarnings: before: is64BitArmDevice: true
12-06 14:47:06.514 3800 5993 W AppWarnings: before: appAbi: arm64-v8a
12-06 14:47:06.514 3800 5993 W AppWarnings: within: is64BitArmDevice: true
12-06 14:47:06.514 3800 5993 W AppWarnings: within: appAbi: arm64-v8a
12-06 14:47:06.586 3800 3819 W ActivityTaskManager: Showing ABI deprecation warning for package us.spotco.fennec_dos

(32bit popup)

result AppWarnings_fixed.java:

12-06 15:15:19.566 3797 4170 W AppWarnings: before: is64BitArmDevice: true
12-06 15:15:19.566 3797 4170 W AppWarnings: before: appAbi: arm64-v8a

(no popup)