Bump SoLoader to 0.8.0 (react#26759)

Summary:
This PR bumps bumps Soloader to 0.8.0. This fixes white screen/ crash issues when downloading from Google Play.

Related to:
react#25927 react#26400

## Changelog
[Android] [Changed] - Bump Soloader to 0.8.0
Pull Request resolved: react#26759

Test Plan:
A few CI tests fail, but I don't see the link with what I changed, especially the ios tests.
It's working locally though, and for people on github who tried this solution as well.

Differential Revision: D17828891

Pulled By: mdvacca

fbshipit-source-id: 1c7809aa681b41b8ed9a4da96d041d52f3cfbb76

Author: Alaa Ben El Ahmar

ReactAndroid/gradle.properties

@@ -14,7 +14,7 @@ FEST_ASSERT_CORE_VERSION=2.0M10
 ANDROID_SUPPORT_TEST_VERSION=1.0.2
 FRESCO_VERSION=2.0.0
 OKHTTP_VERSION=3.12.1
-SO_LOADER_VERSION=0.6.0
+SO_LOADER_VERSION=0.8.0
 
 BOOST_VERSION=1_63_0
 DOUBLE_CONVERSION_VERSION=1.1.6

ReactAndroid/src/main/libraries/soloader/java/com/facebook/soloader/BUCK

@@ -8,6 +8,6 @@ fb_native.android_prebuilt_aar(
 
 fb_native.remote_file(
     name = "soloader-binary-aar",
-    sha1 = "4de8f64830aff60beb52fb27dffb2fcbe54c39df",
-    url = "mvn:com.facebook.soloader:soloader:aar:0.6.0",
+    sha1 = "71378622ece36680b9bab7863c3d0259b442305e",
+    url = "mvn:com.facebook.soloader:soloader:aar:0.8.0",
 )