chore: Clean up Android codebase a bit (#1748)

<!--
                    ❤️ Thank you for your contribution! ❤️
              Make sure you have read the Contributing Guidelines:

https://github.com/mrousavy/react-native-vision-camera/blob/main/CONTRIBUTING.md
-->

## What

<!--
  Enter a short description on what this pull-request does.
  Examples:
    This PR adds support for the HEVC format.
    This PR fixes a "unsupported device" error on iPhone 8 and below.
    This PR fixes a typo in a CameraError.
    This PR adds support for Quadruple Cameras.
-->

## Changes

<!--
  Create a short list of logic-changes.
  Examples:
    * This PR changes the default value of X to Y.
    * This PR changes the configure() function to cache results.
-->

## Tested on

<!--
Create a short list of devices and operating-systems you have tested
this change on. (And verified that everything works as expected).
  Examples:
    * iPhone 11 Pro, iOS 14.3
    * Huawai P20, Android 10
-->

## Related issues

<!--
  Link related issues here.
  Examples:
    * Fixes #29
    * Closes #30
    * Resolves #5
-->

.github/workflows/build-android.yml

@@ -6,19 +6,19 @@ on:
       - main
     paths:
       - '.github/workflows/build-android.yml'
-      - 'cpp/**'
-      - 'android/**'
-      - 'example/android/**'
-      - 'yarn.lock'
-      - 'example/yarn.lock'
+      - 'package/cpp/**'
+      - 'package/android/**'
+      - 'package/example/android/**'
+      - 'package/yarn.lock'
+      - 'package/example/yarn.lock'
   pull_request:
     paths:
       - '.github/workflows/build-android.yml'
-      - 'cpp/**'
-      - 'android/**'
-      - 'example/android/**'
-      - 'yarn.lock'
-      - 'example/yarn.lock'
+      - 'package/cpp/**'
+      - 'package/android/**'
+      - 'package/example/android/**'
+      - 'package/yarn.lock'
+      - 'package/example/yarn.lock'
 
 jobs:
   build:

.github/workflows/build-ios.yml

@@ -6,17 +6,17 @@ on:
       - main
     paths:
       - '.github/workflows/build-ios.yml'
-      - 'cpp/**'
-      - 'ios/**'
-      - '*.podspec'
-      - 'example/ios/**'
+      - 'package/cpp/**'
+      - 'package/ios/**'
+      - 'package/*.podspec'
+      - 'package/example/ios/**'
   pull_request:
     paths:
       - '.github/workflows/build-ios.yml'
-      - 'cpp/**'
-      - 'ios/**'
-      - '*.podspec'
-      - 'example/ios/**'
+      - 'package/cpp/**'
+      - 'package/ios/**'
+      - 'package/*.podspec'
+      - 'package/example/ios/**'
 
 jobs:
   build:

.github/workflows/validate-android.yml

@@ -6,13 +6,13 @@ on:
       - main
     paths:
       - '.github/workflows/validate-android.yml'
-      - 'android/**'
-      - '.editorconfig'
+      - 'package/android/**'
+      - 'package/.editorconfig'
   pull_request:
     paths:
       - '.github/workflows/validate-android.yml'
-      - 'android/**'
-      - '.editorconfig'
+      - 'package/android/**'
+      - 'package/.editorconfig'
 
 jobs:
   lint:

.github/workflows/validate-ios.yml

@@ -6,11 +6,11 @@ on:
       - main
     paths:
       - '.github/workflows/validate-ios.yml'
-      - 'ios/**'
+      - 'package/ios/**'
   pull_request:
     paths:
       - '.github/workflows/validate-ios.yml'
-      - 'ios/**'
+      - 'package/ios/**'
 
 jobs:
   SwiftLint: