[mod] Fix all issues relate to long click in Android version 7.0 (#657, #527)

[tranductam2802]

Connection with issue(s)

Resolve issue #657, #527

This pull request focus on fix all issues relate to long click in Android version 7.0 (or bellow)

• Long click on image.
• Long click to select text.
• Long click on input field.

Testing and Review Notes

Reproduce steps:

1. Open a screen with InAppWebView widget.
2. Load any url which included javascript you want.
3. Long click on to image/input field or select text.

Review Notes:

• Tested on Aquos (Android 7.0) and Samsung Galaxy (Android 7.0)

Confirm before fixxed:

02-06 19:24:33.532 22864 22864 V BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@8eb2b82
02-06 19:24:33.532 22864 22864 V BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@bef5293
02-06 19:24:33.641 22864 22864 W System.err: java.lang.NumberFormatException: For input string: "null" 
02-06 19:24:33.642 22864 22864 W System.err:     at java.lang.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1306)
02-06 19:24:33.642 22864 22864 W System.err:     at java.lang.Float.parseFloat(Float.java:459)
02-06 19:24:33.642 22864 22864 W System.err:     at com.pichillilorenzo.flutter_inappwebview.InAppWebView.InAppWebView$f.a()
02-06 19:24:33.642 22864 22864 W System.err:     at com.pichillilorenzo.flutter_inappwebview.InAppWebView.InAppWebView$f.onReceiveValue()
02-06 19:24:33.642 22864 22864 W System.err:     at org.chromium.android_webview.AwContents$8.handleJavaScriptResult(AwContents.java:2209)
02-06 19:24:33.642 22864 22864 W System.err:     at org.chromium.content.browser.webcontents.WebContentsImpl.onEvaluateJavaScriptResult(WebContentsImpl.java:349)
02-06 19:24:33.642 22864 22864 W System.err:     at org.chromium.base.SystemMessageHandler.nativeDoRunLoopOnce(Native Method)
02-06 19:24:33.642 22864 22864 W System.err:     at org.chromium.base.SystemMessageHandler.handleMessage(SystemMessageHandler.java:41)
02-06 19:24:33.642 22864 22864 W System.err:     at android.os.Handler.dispatchMessage(Handler.java:102)
02-06 19:24:33.642 22864 22864 W System.err:     at android.os.Looper.loop(Looper.java:154)
02-06 19:24:33.642 22864 22864 W System.err:     at android.app.ActivityThread.main(ActivityThread.java:6286)
02-06 19:24:33.642 22864 22864 W System.err:     at java.lang.reflect.Method.invoke(Native Method)
02-06 19:24:33.642 22864 22864 W System.err:     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:869)
02-06 19:24:33.642 22864 22864 W System.err:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:759)
02-06 19:24:33.647 22864 22864 F chromium: [FATAL:jni_android.cc(236)] Please include Java exception stack in crash report

[pichillilorenzo]

Thanks!