Prepare for the libaom v2.0.2 release

Update CHANGELOG for libaom v2.0.2.

Change SO_FILE_VERSION to 2.0.2

BUG=aomedia:2930,aomedia:2952

Change-Id: I2e7c2f93784a9013a848af3a95c67c6b8434366c

CHANGELOG

diff --git a/CHANGELOG b/CHANGELOG
index 8ca17ce..11da097 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,22 @@
+2021-02-09 v2.0.2
+  This release includes several bug fixes.
+
+  - Bug fixes:
+    Issue 2643: Modify the assertion in temporal filter intrinsics.
+
+    Issue 2648: Fix unit test ThreadTestLarge.EncoderResultTest/49
+    assertion failure.
+
+    Issue 2869: Add -Wimplicit-function-declaration as C flag only.
+
+    Issue 2878: Avoid memset in the av1_filter_intra_predictor module
+    functions.
+
+    Issue 2903: Fix a typo bug in apply_temporal_filter_planewise.
+
+    Call av1_setup_frame_size() when dropping a frame in the
+    encode_frame_to_data_rate() function in av1/encoder/encoder.c.
+
 2020-11-25 v2.0.1
   This release includes two bug fixes.
 

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ef0863..84c8995 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@
 # Updating version info.
 # https://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
 set(SO_VERSION 2)
-set(SO_FILE_VERSION 2.0.0)
+set(SO_FILE_VERSION 2.0.2)
 
 include("${AOM_ROOT}/build/cmake/aom_configure.cmake")
 include("${AOM_ROOT}/aom_dsp/aom_dsp.cmake")