Add version bumping script for Android

Summary:
Adding binaries and source as build times can be a bit long.

```
$ ./bump.sh
Flipper Version Bumper

Usage: bump.lnx64 VERSION

Available options:
  -h,--help                Show this help text
  VERSION                  Version to bump to, e.g. 1.0.2
```

```
$ ./bump.sh 1.0.2
Starting bump to Version "1.0.2".
Updating version in FilePath "/home/realpassy/local/fbsource/xplat/sonar/gradle.properties"
Updating version in FilePath "/home/realpassy/local/fbsource/xplat/sonar/docs/getting-started.md"
Done!
```

```
$ hg diff
 diff --git a/xplat/sonar/docs/getting-started.md b/xplat/sonar/docs/getting-started.md
 --- a/xplat/sonar/docs/getting-started.md
+++ b/xplat/sonar/docs/getting-started.md
@@ -44,7 +44,7 @@
 }

 dependencies {
-  debugImplementation 'com.facebook.flipper:flipper:0.6.18'
+  debugImplementation 'com.facebook.flipper:flipper:1.0.2'
 }

 diff --git a/xplat/sonar/gradle.properties b/xplat/sonar/gradle.properties
 --- a/xplat/sonar/gradle.properties
+++ b/xplat/sonar/gradle.properties
@@ -1,5 +1,5 @@
 # POM publishing constants
-VERSION_NAME=0.6.19-SNAPSHOT
+VERSION_NAME=1.0.2
 GROUP=com.facebook.flipper
 POM_URL=https://github.com/facebook/flipper
 POM_SCM_URL=https://github.com/facebook/flipper.git

```

Reviewed By: danielbuechele

Differential Revision: D9629787

fbshipit-source-id: b11870236809daa393dcef7eaf98ba9018ad7154

scripts/bump.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+BASEDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+case $OSTYPE in
+  darwin*) "$BASEDIR"/bump.mac "$@" ;;
+  linux-gnu) "$BASEDIR"/bump.lnx64 "$@" ;;
+  *) echo "Unknown OS. Using source version using https://haskellstack.org/" && "$BASEDIR"/bump.hs "$@" ;;
+esac